According to the question the net force on q₂ is zero.
What is forces ?Force is an interaction between two objects which causes one object to change its state of motion. It can be described as a push or a pull on an object, and is measured in units of Newtons (N). Forces can be caused by a variety of things, including gravity, friction, magnetism, and electrical charges. Forces can cause objects to accelerate, decelerate, or remain in constant motion. Examples of forces include a person pushing a box, a car’s engine pushing it forward, and a magnet attracting a piece of metal.
The net force on q₂ is zero because of the symmetry of the particles. The two negative charges are the same distance away from q₂, which creates equal and opposite forces, canceling each other out.
Similarly, the two positive charges are also the same distance away, creating equal and opposite forces that also cancel each other out. Therefore, the net force on q₂ is zero.
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Long-Distance Space Travel
Many scientists and engineers are working toward the goal of sending astronauts to Mars. The trip is estimated to take about 9 months each way. It is very expensive to take enough oxygen to last the whole trip. The astronauts also need enough food, and there has to be a way to get rid of excess carbon dioxide created by their cellular respiration.
Present a plan for the astronauts. Explain how growing food during space flight will help regulate carbon dioxide and oxygen levels. List the supplies the astronauts would need.
Answer:
Green house
Explanation:
You could build a little green house sorta thing bc plants produce oxygen and then the plants you can eat also you are supposed to have water so there s the plants water!
Air. Plants are necessary for the creation of breathable air on Earth. During photosynthesis, plants convert carbon dioxide into oxygen and improve the air we breathe.
What food during space flight help regulate carbon dioxide?They can serve as food or as a cooling environment for astronauts traveling in space. Plants can help regulate cabin humidity by metabolizing atmospheric carbon dioxide to produce useful oxygen.
The crews of human spacecraft may experience psychological benefits from growing plants in space. The ISS could benefit from plant growth by producing oxygen for astronauts to breathe and removing carbon dioxide from the atmosphere.
According to the researchers' findings in their article, eating these fresh foods is also thought to have the additional advantages of reducing stress and boosting morale.
Therefore, The ability to grow vegetables in greenhouses in space could help astronauts supplement their diets.
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When carbon dioxide is in ocean water it bonds to carbonate, preventing its use by(1 point) coral reefs and shellfish. coral reefs and shellfish. whales and shellfish. whales and shellfish. coral reefs and currents. coral reefs and currents. whales and currents.
When carbon dioxide is in ocean water it bonds to carbonate, preventing its use by coral reefs and currents.
How is carbon dioxide used in the ocean?Carbon dioxide (CO2) is made use of by aquatic photosynthetic organisms to make their own food.
Some examples of aquatic organisms that makes use of carbon dioxide are:
coral reefsalgaeaquatic plantsHowever, when carbon dioxide is in ocean water it bonds to carbonate, preventing its use by coral reefs and currents.
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Answer:
coral reefs and shellfish
Explanation:
Both need carbonate
In rabbits, spotted coat ( S) is dominant to solid color ( s) and black ( B) is dominant to brown ( b).A true-breeding black spotted rabbit is mated to a true-breeding brown solid rabbit to produce a heterozygous F 1 generation. Two F 1 individuals are mated, and you do not see a 9:3:3:1 (black spotted: black solid: brown spotted: brown solid) ratio of offspring, but instead see that almost all offspring are a non-recombinant phenotype. This tells you that
This tells you that the genes for coat color and coat pattern are linked on the same chromosome and do not assort independently. The F 1 generation inherited one chromosome with the alleles SB and another with the alleles sb from their parents. When they produced gametes, they mostly formed SB and sb gametes, resulting in offspring with the same phenotypes as their parents. Only a few offspring were recombinant phenotypes, due to crossing over between the genes during meiosis.
About ChromosomeChromosome is a long DNA molecule that contains part or all of an organism's genetic material. Most chromosomes in eukaryotes have packaging proteins called histones which, assisted by chaperone proteins, bind and condense the DNA molecule to maintain its integrity.
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An ant on a picnic table travels 3.0 x 101 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the magnitude of the ant's displacement relative to its original position?
The magnitude of the ant's displacement relative to its original position is 43 cm.
What is magnitude?Magnitude is a measure of the size or strength of something. It is usually expressed as a numerical value, such as a number on a scale. Magnitude can refer to physical and non-physical qualities, such as the size of a building or the intensity of an emotion. For example, an earthquake can be measured in terms of its magnitude, which is the amount of energy released during the earthquake. Magnitude can also refer to the brightness of a star, or the size of a hurricane. In astronomy, magnitude is used to measure the brightness of a star or other celestial object.
This is because the ant traveled 3.0 x 101 cm eastward, then 25 cm northward, and then 15 cm westward. The total magnitude of the displacement is the sum of the magnitudes of the individual displacements, which is 3.0 x 101 + 25 + 15
= 43 cm.
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a wave has an amplitude 20.0 cm, a wavelength 3.00 m, and the wave travels 60.0 m in 12.0 s. what is the frequency of the wave?
The frequency of the wave is 2.50 Hz.
The velocity of a wave can be calculated using the equation v = λf, where v is the velocity of the wave, λ is the wavelength, and f is the frequency. We can rearrange this equation to solve for the frequency as follows:
v = λf => f = v/λ
The velocity of the wave can be calculated using the distance traveled and the time taken as follows:
v = d/t = 60.0 m / 12.0 s = 5.00 m/s
Substituting the given values for the wavelength and velocity, we get:
f = v/λ = 5.00 m/s / 3.00 m = 1.67 Hz
However, this is the frequency of one complete wavelength. To find the frequency of the entire wave, we need to divide by the number of wavelengths that pass a point in one second. The number of wavelengths that pass a point in one second is equal to the velocity of the wave divided by the wavelength, which is:
Number of wavelengths per second = v/λ = 5.00 m/s / 3.00 m = 1.67 Hz
Therefore, the frequency of the wave is 1.67 Hz / wavelength = 2.50 Hz (to two significant figures).
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the bandwidth of a signal is question 5 options: 1) the lowest frequency value subtracted from the highest 2) the average of the frequencies 3) the range of frequencies in the signal 4) the maximum amplitude of the signal
The correct option is B. The spectrum of a signal is the range of frequencies in the signal.
A spectrum (plural spectra or spectrums) is a condition that isn't restricted to a specific set of values but can vary, without gaps, across a continuum. The word became first used scientifically in optics to explain the rainbow of colors in visible light after passing via a prism. As clinical information of mild superior, it got here to apply to the whole electromagnetic spectrum. It thereby has become a mapping of a variety of magnitudes (wavelengths) to a range of traits, which are the perceived "shades of the rainbow" and different houses which correspond to wavelengths that lie outdoors of the visible light spectrum.
Spectrum has due to the fact that been implemented via analogy to topics outside optics. therefore, one would possibly communicate approximately the "spectrum of political opinion", the "spectrum of interest" of a drug, or the "autism spectrum". In these uses, values within a spectrum may not be associated with precisely quantifiable numbers or definitions. Such makes use of implying a wide variety of situations or behaviors grouped together and studied under an unmarried identity for ease of discussion. Nonscientific makes use of the time period spectrum is once in a while deceptive.
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Complete Question:
The spectrum of a signal is:
A. the lowest frequency value subtracted from the highest
B. the range of frequencies in the signal
C. all of the frequencies from 0 to the highest frequency used
D. the average of the highest frequency and the lowest
TRUE/FALSE. the greater the amount of methylene blue dye leached into the heavy metal solution from the lichen means that the metal has low electronegativity.
The statement is FALSE.
The amount of methylene blue dye leached into the heavy metal solution from the lichen does not directly indicate the metal's electronegativity. Electronegativity refers to an atom's ability to attract electrons towards itself in a chemical bond. It is a property of individual atoms, not the amount of dye leached from a lichen.
To determine the electronegativity of a metal, we need to consider its position in the periodic table. Generally, metals have lower electronegativity values compared to nonmetals. The greater the electronegativity difference between two atoms, the more polar the bond between them. However, this is not related to the leaching of methylene blue dye.
The leaching of methylene blue dye into a heavy metal solution from the lichen may be influenced by other factors such as the concentration of the dye, the solubility of the metal ions in the solution, and the interaction between the metal ions and the dye molecules. These factors are independent of electronegativity.
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nail tips exert tremendous pressures when they are hit by hammers because they exert a large force over a small area. what force must be exerted on a nail with a circular tip of 1.00 mm diameter to create a pressure of (this high pressure is possible because the hammer striking the nail is brought to rest in such a short distance.)
2.18X103 N force must be exerted on a nail with a circular tip of 1.00 mm diameter to create a pressure.
diameter, d = 0.95 mm = 0.95x10-3m
P = 3.1X10^9 Pa
r = d/2 = 0.95/2 x 10^-3 m
= 0.475 x 10^-3 m
Area = \(\pi\) r2
= 3.14 x ( 0.475 x 10^-3 m)2
= = 3.14 x 0.225 x 10^-6
= 0.706 × 10-6 m2
Force = PXA
= 3.1 x 10^9 x 0.70 6 × 10^-6
F = 2.18X103 N
Pressure , within the physical sciences, the perpendicular force in step with unit per area , or the stress at a factor inside a restricted fluid.
A easy instance of pressure can be seen by retaining a knife to a bit of fruit. In case you keep the flat part of the knife towards the fruit, it might not reduce the area. The force is spread out of a massive vicinity (low strain).
The SI unit of pressure is pascal (represented as Pa) which is identical to one newton in line with rectangular metre (N/m2 or kg m-1s-2).
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Pleasee help mee
a circular coil of 100 turns and cross-sectional area of 2. 0 cm² carrying a 50 mA current is placed in a magnetic field of 0. 5 T parallel to the plane of the coil. Calculate the torque acting on the coil?
A circular coil of 100 turns and a cross-sectional area of 2. 0 cm² carrying a 50 mA current is placed in a magnetic field of 0. 5 T parallel to the plane of the coil. The torque acting on the coil is 0.01 Nm.
The torque acting on a circular coil placed in a magnetic field can be calculated using the formula: \(T = NABsin\theta\) , where N is the number of turns in the coil, A is the area of each turn, B is the magnetic field strength, and θ is the angle between the magnetic field and the plane of the coil.
Substituting the given values, we have
\(T = (100)(2.0 \times 10^{-4} m^2)(0.5 T)sin90^{\circ}\)
T = 0.01 Nm.
Therefore, the torque acting on the coil is 0.01 Nm.
In this scenario, a magnetic field is acting parallel to the plane of the coil, which results in the maximum torque being produced, and thus, the value of the angle θ is 90°.
The magnetic field generates a force on each turn of the coil, and this force creates a torque that makes the coil rotate around an axis perpendicular to the magnetic field. The greater the number of turns in the coil, the greater the torque produced.
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the abdominopelvic cavity is divided into quadrants in order to assist the examiner in pinpointing the problem area. there are _____ quadrants.
The abdominopelvic cavity is a vital body part that houses various organs and tissues. It is divided into quadrants to help the examiner locate the problem area. There are four quadrants in the abdominopelvic cavity, each with its organs and functions. The abdominopelvic cavity is a large space in the lower region of the body. The area is divided into four quadrants, each having unique organs and functions.
The four quadrants of the abdominopelvic cavity are as follows: Right Upper Quadrant (RUQ)The right upper quadrant (RUQ) of the abdominopelvic cavity contains the following organs: Liver Gallbladder Right kidney Pylorus Colon (hepatic flexure)Head of pancreas Duodenum Portions of ascending and transverse colon Right Lower Quadrant (RLQ)The right lower quadrant (RLQ) of the abdominopelvic cavity contains the following organs: Right ureter Cecum AppendixOvary (female)Sigmoid colonRight spermatic cord (male)Right fallopian tube (female)Left Lower Quadrant (LLQ)The left lower quadrant (LLQ) of the abdominopelvic cavity contains the following organs: Left ureter Sigmoid colon Left spermatic cord (male)Left fallopian tube (female)Ovary (female)Descending colon Left Upper Quadrant (LUQ)The left upper quadrant (LUQ) of the abdominopelvic cavity contains the following organs: Spleen Stomach Left kidneyJejunumPancreasColon (splenic flexure)Portions of transverse and descending colon Conclusion The four quadrants of the abdominopelvic cavity are essential in helping the examiner pinpoint the problem area. Each quadrant has unique organs and functions that assist in identifying the issue. When a patient experiences pain in any of the four quadrants, the examiner can use the quadrant's corresponding organs to locate the problem area and determine the necessary treatment.
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A student lefts a bouncy ball to 1.2m, then releases the ball. The ball bounces back up to 0.86m. Construct an explanation as to what happened to the energy.
Answer:
the decrease in energy is due to a transformational in internal energy of the body in the rebound.
Explanation:
For this exercise we can calculate the initial and final mechanical energy
Em₀ = U = m g y₁
\(Em_{f}\) = U = m g y₂
we look for the variation of the energy
ΔEm = Em_{f} - Em₀
ΔEm = m g (y_{f} -y₀)
ΔEm = m g (0.86 -1.2)
ΔEm = -3.332 m
We can see that there is a decrease in mechanical energy, this is transformed into internal energy of the ball during the impact with the ground, this energy can be formed by several factors such as a part of the friction with the surface, an increase in body temperature or a deformation of the body; there may be a contribution from several of these factors.
In conclusion the decrease in energy is due to a transformational in internal energy of the body in the rebound.
Answer:
Please find the answer in the explanation
Explanation:
Given that a student lefts a bouncy ball to 1.2m, then releases the ball. The ball bounces back up to 0.86m. To Construct an explanation as to what happened to the energy, let first consider the difference in the two height of the ball.
The initial height = 1.2 metres
Final height = 0.86 metres
There is a loss in elastic potential energy of the ball. And the loss energy is due to the difference in the height of the ball under the gravity.
The loss in elastic potential energy is being converted to the gravitational potential energy.
A horse pulls a tree trunk there is a force of 1500 nutrients, and moves a distance of 10 meters in 15 seconds find the work and the power
The power exerted by the horse is 1,000 watts, which is equivalent to 1 kilowatt (kW).
To find the work done by the horse and the power exerted, we can use the following equations:
Work = Force x Distance x cos(theta)
Power = Work / Time
where theta is the angle between the direction of the force and the direction of the displacement. Assuming that the force is applied horizontally and the displacement is also horizontal, the angle theta is 0 degrees, so cos(theta) = 1.
Given that the force applied by the horse is 1500 N and the distance moved is 10 m, we can calculate the work done as follows:
Work = Force x Distance x cos(theta)
Work = 1500 N x 10 m x 1
Work = 15,000 J
Therefore, the work done by the horse in pulling the tree trunk is 15,000 joules.
To find the power exerted by the horse, we need to divide the work done by the time taken. Given that the time taken is 15 seconds, we have:
Power = Work / Time
Power = 15,000 J / 15 s
Power = 1,000 W
Therefore, the power exerted by the horse is 1,000 watts, which is equivalent to 1 kilowatt (kW).
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A penny is dropped from the top of a 240.0 m building and is in
free fall. How long will it take
the penny to hit the ground?
O 24.5 sec
3.5 sec
7 sec
O 5 sec
Answer:
It would take 5
18.3
Explanation:
It depends on how fast it comes and the timing
a positive point charge q is at point a and another positive point charge q is at point b. what is the direction of the electric field at point p on the perpendicular bisector of ab as shown is?a. →b. ←c. ↑d. ↓e. none ( E=0)
The direction of the electric field at point P on the perpendicular bisector of AB is none (E=0) (Option E).
Since both charges are positive and equal in magnitude, their electric fields will cancel each other out at point P on the perpendicular bisector, resulting in a net electric field of 0. Therefore, the direction of the electric field at point P is neither →, ←, ↑ nor ↓. The correct answer is none (E=0) if the two charges are equal and opposite in sign, or there are no charges present.
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Convert 66.2 mi/h to m/s. 1 mi = 1609 m.
Answer in units of m/s.
Answer:
Explanation:
66.2mi/h to m/s
\(\frac{1609m}{1mi}\)×\(\frac{66.2mi}{1h}\)×\(\frac{1h}{60min}\)×\(\frac{1min}{60s}\)
mi will go with mih with h min with minm/s is left\(\frac{1609*66.2}{60*60}\)= 29.58772222
Pls make sure of the way of solving to be sure...
Joe pushes a 12,000 N car, starting from rest, with a force of 310 N for 20 seconds. (a) What is the magnitude of the car's acceleration? (b) How much force would be needed to stop the car in a distance of 30 m?
The acceleration of the car can be obtained as 0.26 m/s^2. The force required to ove it a distance of 30 m is 11760 N.
What is the acceleration?We know that the acceleration is the change in the velocity of the object with time. Now we know from the Newton law that the force is the product of the mass of the object and the acceleration.
Now we have that;
weight = mass * acceleration due to gravity
mass = weight/ acceleration due to gravity
mass = 12,000 N / 10 m/s^2
= 1200 Kg
The we know that;
Force = mass * acceleration
acceleration = Force/mass
= 310 N/1200 Kg
= 0.26 m/s^2
For the force that that is needed to move the car a distance of 30 m we have;
F = ma
= 1200 Kg * 9.8 m/s^2
= 11760 N
This is the force that ca move the object forward.
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As we know, the moon is a satellite of our earth, what is the
theoretical period of the moon? The average radius of the
moon's orbit is 3.84 108 m and the mass of the earth is 5.97 x
1024 kg (in hours, G = 6.67 x 10-9 N (m/kg) 3).
Answer:c
Explanation:c
This question involves the concepts of the time period, orbital radius, and gravitational constant.
The theoretical period of the moon is "658 hr".
The theoretical time period of the moon around the earth can be found using the following formula:
\(\frac{T^2}{R^3}=\frac{4\pi^2}{GM}\)
where,
T = Time Period of Moon = ?
R = Orbital Radius = 3.84 x 10⁸ m
G = Gravitational Constant = 6.67 x 10⁻¹¹ N.m²/kg²
M = Mass of Earth = 5.97 x 10²⁴ kg
Therefore,
\(\frac{T^2}{(3.84\ x\ 10^8\ m)^3}=\frac{4\pi^2}{(6.67\ x\ 10^{-11}\ N.m^2/kg^2)(5.97\ x\ 10^{24}\ kg)}\\\\T^2=(9.91\ x\ 10^{-14}\ s^2/m^3)(56.62\ x\ 10^{24}\ m^3)\\\\T=\sqrt{561.34\ x\ 10^{10}\ s^2}\)
T = 2.37 x 10⁶ s\((\frac{1\ h}{3600\ s})\)
T = 658 hr
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The attached picture shows the derivation of the formula for orbital speed.
A dog and a cat sit on a merry-go-round. The dog sits 0.3 m from the center. The cat sits 1.5 m from the center. The whole merry-go round rotates with an angular speed of 5 rad/s. Which animal, if either, is experiencing a higher velocity? Which animal, if either, is experience a higher angular speed?
Answer:
hope that pic helps!! let me know!!
Explanation:
or this expert answers from expert
You wish to date a hip bone fragment you found at a cave site.
You find a ratio of 1 14C atoms for every 31 14N atoms. How many
half- lives have elapsed?
To determine the number of half-lives that have elapsed, we need to compare the ratio of 14C to 14N atoms found in the hip bone fragment.
The ratio of 1 14C atom for every 31 14N atoms suggests that the hip bone fragment contains a smaller amount of 14C compared to the expected ratio found in a living organism. Since 14C undergoes radioactive decay with a half-life of approximately 5730 years, we can calculate the number of half-lives that have elapsed by observing how many times the ratio needs to double to reach the expected ratio.
In this case, if the expected ratio is 1:1, then the observed ratio of 1:31 would require five doublings to reach 1:1. Therefore, approximately five half-lives have elapsed since the death of the organism from which the hip bone fragment originated.
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Based on Mount Wilson Observatory
1. How are astronomical observational patterns used to determine the history of the universe?
2. Why was Mt. Wilson or Mt. Palomar Observatories used to observe and collect data about space, and why are mountains used?
3. What is NASA Mission Statement?
4. Describe three aspects of spectrometry? It’s application to astronomy.
1.___________________________________________________________
2.___________________________________________________________
3.___________________________________________________________
5. Why is studying space important for humans on earth, and do you think human space travel will be worth the risk and costs?
1. Astronomical observational patterns are used to determine the history of the universe by studying the light emitted or absorbed by celestial objects. Scientists analyze the patterns in the electromagnetic spectrum, such as the distribution of wavelengths, intensity, and spectral lines, to gather information about the composition, temperature, motion, and evolution of celestial bodies.
What is Astronomical observational ?Astronomical observational refers to the act of observing celestial objects and phenomena in the field of astronomy. It involves the use of telescopes, detectors, and other instruments to collect data and study various aspects of the universe.
2. Mount Wilson and Mount Palomar Observatories were used to observe and collect data about space due to several reasons. Firstly, the locations of these observatories provide advantages for astronomical observations.
3. The NASA Mission Statement is: "To pioneer the future in space exploration, scientific discovery, and aeronautics research." This mission statement reflects NASA's commitment to advancing human knowledge, technological innovation, and exploration beyond Earth's boundaries. NASA aims to push the boundaries of scientific understanding, develop and test new technologies, explore the cosmos, and inspire the next generation of scientists and engineers.
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paula and steve are pulling their daughter jessie on a sled. steve pulls with a force of 18lb at an angle of 10degrees. paula pulls with a force of 12 lb at an angle of 15 degrees. find the magnitude of the resultant force on jessie and the sled.
According to the question the magnitude of the resultant force is approximately 22.47 lb.
What is magnitude?Magnitude is a measure of the size or intensity of something. It is most commonly used to describe the size of earthquakes, but can also be used to describe the size of other phenomena such as storms, winds, and floods. Magnitude can also refer to the size of a star or other celestial body. Magnitude is expressed as a number on a logarithmic scale, with larger numbers representing larger magnitudes.
We can use the Law of Cosines to calculate the magnitude of the resultant force. The Law of Cosines states that for a triangle with side lengths a, b, and c and angle C opposite side c, the following formula holds:
c2 = a2 + b2 - 2abcos(C)
In this case, a is 18 lb, b is 12 lb, and C is the angle between the two forces, 25 degrees. We can substitute these values into the formula and solve for c, the magnitude of the resultant force:
c2 = (18 lb)2 + (12 lb)2 - 2(18 lb)(12 lb)cos(25 degrees)
c2 = 324 + 144 - 432cos(25 degrees)
c2 = 324 + 144 - 216cos(25 degrees)
c2 = 468 - 216cos(25 degrees)
Now we can solve for c:
c = √(468 - 216cos(25 degrees))
c ≈ 22.47 lb
Therefore, the magnitude of the resultant force is approximately 22.47 lb.
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A rubber band has an un-stretched length of 0. 10m. If someone picks up a paper clip that has a mass of 10g (0. 010kg) and pulls back on it with a rubber band to a distance of. 25 m. With what speed would the paper clip be launched horizontally? The spring constant of the rubber band is 15 N/m
The speed at which the paper clip be launched horizontally, given that the paper clip has a mass of 0.01 Kg is 5.81 m/s
How do I determine the speed?We'll begin by obtaining the energy stored in the stored in rubber. This is shown below:
Initial length = 0.10 mNew length = 0.25 mExtension (e) = 0.25 - 0.10 = 0.15 mSpring constant (K) = 15 N/mEnergy stored (E) =?E = ½Ke²
E = ½ × 15× 0.15²
E = 7.5 × 0.0225
E = 0.16875 J
Finally, we shall determine the speed. Details below:
Mass (m) = 0.01 KgEnergy (E) = 0.16875 JSpeed (v) = ?KE = ½mv²
0.16875 = ½ × 0.01 × v²
0.16875 = 0.005 × v²
Divide both side by 0.005
v² = 0.16875 / 0.005
Take the square root of both side
v = √(0.16875 / 0.005)
v = 5.81 m/s
Thus, the speed is 5.81 m/s
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a 2.0-kg mass is attached to the end of a horizontal spring of spring constant 50 n/m and set into simple harmonic motion with an amplitude of 0.10 m. what is the total mechanical energy of this system?
Answer:
0.25 J
Explanation:
DUE RIGHT NOW
IT WOULD BE NICE IF YOU EXPLAIN TO
Answer: 0-3 minutes
Explanation:
On the side of the graph, it shows you the distance the car was moving. As you know, MPH (miles per hour) shows how fast an object is moving, meaning that the car was going around 0-1 mph around minutes 0-3. Just make sure you know how to read a graph and this will become an easy question for you :)
Answer:
5-8 minutes the car isn't traveling. The g above is wrong
Explanation:
do the data suggest that the two methods provide the same mean value for natural vibration frequency? find interval for p-value: enter your answer; p-value, lower bound
Based on the data, it is unclear whether the two methods provide the same mean value for natural vibration frequency.
In order to determine whether the two methods provide the same mean value for natural vibration frequency, we would need to conduct a hypothesis test. Specifically, we would need to conduct a two-sample t-test, comparing the mean natural vibration frequency for the two methods. The null hypothesis would be that the means are equal, while the alternative hypothesis would be that they are not equal.
Unfortunately, the question does not provide us with enough information to conduct this test. We do not know the sample size or standard deviation for each method, nor do we know the difference in means between the two methods. Therefore, we cannot determine whether the two methods provide the same mean value for natural vibration frequency based on the data given.
In conclusion, we cannot draw any conclusions about whether the two methods provide the same mean value for natural vibration frequency based on the information provided. More data is needed in order to conduct a hypothesis test and determine whether there is a significant difference between the means of the two methods.
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The area of each plate of an air filled parallel plate capacitor is 0.8 m2 , and the spacing between the plates is 1.1e-006 m. what is its capacitance?
The capacitance of capacitor is 6.44 μF.
We need to know about the capacitance of the air-filled capacitor to solve this problem. The capacitance of the air-filled capacitor depends on the charge and voltage. It can be written as
C = Q/V
where C is capacitance, Q is charge and V is voltage.
Capacitance also can be calculated by the area and distance between the capacitor plate
C = εo . A / d
where εo is vacuum permittivity (8.85 x 10¯¹² F/m), A is the area of the plate and d is distance.
From the question above, we know that
A = 0.8 m²
d = 1.1 x 10¯⁶ m
By substituting the given parameters, we can calculate the capacitance
C = εo . A / d
C = 8.85 x 10¯¹² . 0.8 / 1.1 x 10¯⁶
C = 6.44 x 10¯⁶ F
C = 6.44 μF
Hence, the capacitance of capacitor is 6.44 μF.
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13. In Section 2.2, three ways to use physical properties are
discussed. Find one example in Section 5.3 that illustrates
each use. If necessary, reread pages 48 and 50.
Physical properties are used to identify and describe matter. They include
appearance (shape, size, color, texture)boiling/melting pointdensitysolubility viscositymalleability odorthe ways in which sexuality is linked to social inequality is highlighted by ________
Sexuality is linked to social inequality through numerous ways, and this can be clearly highlighted by analyzing the types of discrimination and prejudice that people face due to their sexual orientation, gender identity, and gender expression.
Heterosexuality has long been considered the norm in society, and individuals who identify as LGBTQ+ are often subject to oppression, harassment, and discrimination on the basis of their sexuality. This creates a hierarchy of privilege that is based on one's sexual orientation or gender identity and reinforces social inequality.
One example of how sexuality is linked to social inequality is through the denial of rights and access to resources. This includes the denial of legal rights such as marriage and adoption, or the inability to access healthcare and employment opportunities. As a result, individuals who identify as LGBTQ+ may experience lower levels of socioeconomic status and are more likely to live in poverty.
Another example is through the intersectionality of sexuality with other social inequalities such as race, ethnicity, and class. People who identify as LGBTQ+ and also belong to marginalized groups may face multiple levels of oppression and discrimination, which can have a compounding effect on their overall life outcomes.
In conclusion, the link between sexuality and social inequality is multifaceted, complex, and pervasive. To promote equality, it is important to recognize and address the barriers that individuals face due to their sexuality and gender identity, and work towards creating a more inclusive and equitable society.
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Write an algorithm that calculate the time a train need to arrive at a detination given peed and ditance
An algorithm that calculates the time a train needs to arrive at a destination given speed and distance \(Time=\frac{Distance}{Speed}\).
What is Speed?The amount of the shift in approach per unit of time or the size of the displacement over time for an object can be used to describe speed, which would be a scalar quantity in everyday language and kinematics.
The maximum speed that can be maintained when a period grows closer to zero is the starting speed.
By dividing the object's distance traveled by the duration of the interval, the mean pace of the object for the given period is calculated. Speed and velocity are not always the same thing.
The algorithm to calculate the time required will be,
Let the distance covered by the train is D and the speed of the train be S.
Then, the time taken by the train will be,
T = D/S
Here, D is the distance and S is the speed.
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how to find the activation energy for the reverse reaction
To find the activation energy for the reverse reaction, you can use the Arrhenius equation: Ea = -ln(k / (A * T)) * (R * T)
To find the activation energy for the reverse reaction, you can use the Arrhenius equation. The Arrhenius equation relates the rate constant of a reaction to the temperature and activation energy. The equation is as follows:
k = A * e^(-Ea/RT)
Where:
k is the rate constantA is the pre-exponential factorEa is the activation energyR is the gas constantT is the temperature in KelvinTo find the activation energy for the reverse reaction, you need to know the rate constant and temperature values corresponding to the reverse reaction. Once you have these values, you can rearrange the equation to solve for the activation energy:
Ea = -ln(k / (A * T)) * (R * T)
By plugging in the values of the rate constant, pre-exponential factor, and temperature, you can calculate the activation energy for the reverse reaction.
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The activation energy for the reverse reaction can be found using the Arrhenius equation and experimental data.
To determine the activation energy for the reverse reaction, one can use the Arrhenius equation: k = A * e^(-Ea/RT), where k is the rate constant, A is the pre-exponential factor, Ea is the activation energy, R is the gas constant, and T is the temperature in Kelvin. By conducting experiments at different temperatures and measuring the rate constants, one can obtain a set of data points. By taking the natural logarithm of both sides of the Arrhenius equation and rearranging, a plot of ln(k) versus 1/T can be created. The slope of this plot will be equal to -Ea/R, allowing for the determination of the activation energy.
The activation energy for the reverse reaction can be determined by utilizing the Arrhenius equation and conducting experiments at different temperatures. By analyzing the resulting data and plotting ln(k) versus 1/T, the activation energy can be calculated from the slope of the plot. This method provides insights into the energy barrier required for the reverse reaction to occur and aids in understanding the reaction kinetics and thermodynamics involved.
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