003 (part 1 of 2) 10.0 points
on Planet X, an object weights 18 N. On planet B where the magnitude of the free-fall acceleration is 1.87g (where g=9.8m/s^2 is the gravitational acceleration on Earth), the object weighs 36.9 N
The acceleration of gravity is 9.8m/s^2.
What is the mass of the object be on Earth?
Answer in units of kg.
004 (part 2 of 2) 10.0 points what is the free-fall acceleration on Planet X? Answer in units of m/s2
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Related Questions
29.92 inches of mercury and 101,325 pascals are both equivalent to 1 atmosphere of pressure. Calculate the number of pascals equivalent to 1 inch of mercury.
Answers
The number of pascal equivalent to 1 inch of mercury is 3386.53 pascal
From the question given above, we were told that:
29.92 inches of mercury = 1 atm
101325 pascal = 1 atm
Thus,
29.92 inches of mercury = 101325 pascal
With the above information, we can obtain the number of pascal equivalent to 1 inch of mercury. This can be obtained as follow:29.92 inches of mercury = 101325 pascal
Therefore,
1 inches of mercury = 101325 / 29.92
1 inches of mercury = 3386.53 pascalThus, the number of pascal equivalent to 1 inch of mercury is 3386.53 pascal
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A diffraction grating is 1.50 cm wide and contains 2000 lines. When used with light of a certain wavelength, a third-order maximum is formed at an angle of 20.0°. What is the wavelength (in nm)?
Answers
Answer:
because of the gravity of the earth
FILL IN THE BLANK. Two kids sit on a seesaw of length 4.2m, balanced at its center. Sarah sits at the far end and has a mass of 55.kg. Anna is 75kg. They seesaw for a while (having a grand time) hen decide to balance themselves. Anna is sitting ________________ from the center. Then Sarah is given a bag of oranges weighing 3.0kg, and the seesaw rotates out of balance. When Anna is given a bag of apples, balance is still not restored. She needs to place the apples 0.25m behind her for them to be balanced again. What is the mass of the bag of apples?
Answers
Anna is sitting 1.56m from the center. The mass of the bag of apples can be calculated using the principle of moments.
The moments on each side of the seesaw must be equal for it to be balanced. With Anna sitting at 1.56m, the moment on her side is (75kg)(2.64m) = 198 Nm. To balance the seesaw, the moment on Sarah's side must also be 198 Nm. Adding the bag of oranges changes the moment to (55kg)(2.1m) + (3.0kg)(4.2m - 2.1m) = 198 Nm. For balance to be restored after Anna receives the bag of apples, the moment on her side must also be 198 Nm. Thus, (75kg)(1.56m) + (bag mass)(4.2m - 1.56m - 0.25m) = 198 Nm. Solving for the mass of the bag of apples gives 6.32 kg.
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Select the best option to explain why the moon is described as a time capsule for Earth’s history?
Question 4 options:
The Apollo astronauts placed a time capsule on the moon’s surface.
The moon has not experienced any changes since its formation.
The moon does not have weather to erode the evidence of asteroid impacts.
Answers
Answer:
The moon does not have weather to erode the evidence of asteroid impacts.
Which of the following is an example of a chemical property? Density Solubility Flammability Magnetism
Answers
Answer:
Flammability.
Explanation:
I took the test.
You push against a wall and the wall pushes back on you.
O Newton's 1st Law of Motion
O Newton's 2nd Law of Motion
Newton's 3rd Law of Motion
Answers
Answer:
Its the third law of motion.
Explanation:
Newton's third law of motion states that every action has equal and opposite reaction.
a 2.0 kg block is forced against a horizontal spring of negligible mass, compressing the spring by 15 cm. when the block is released from the compressed spring, it moves 60 cm across a horizontal tabletop before coming to rest. the force constant of the spring is 200 n/m. calculate the coefficient of sliding friction between the block and the table
Answers
The block and table have a sliding friction coefficient of 0.083.
What leads to conflict?Although friction is assumed to be created by the interaction between the microscopic bumps on surfaces when they brush against each other, scientists are not entirely sure what causes it. It is challenging for the surface to slide over one another because the spikes on each surface flex and exert stress on one another.
What can lessen abrasion?The friction between both the edges can be decreased by using lubricants like oil or grease. Friction can be decreased by cleaning the surface, which makes it smooth.
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as the pendulum swings from position a to position b, what is the relationship of kinetic energy to potential energy (neglect friction)?
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The kinetic energy increase is equal to the potential energy decrease.
what is conservation of energy?According to the work power theorem, the total energy of any thing will remain constant, just as the sum of the object's kinetic and potential energy will remain constant.The potential energy of any object is determined by its position in relation to the ground. If an object is at a height of H, it has potential energy since some energy is delivered to it against gravity to move it to that height.If the pendulum is now in the mean position, it will have maximum kinetic energy and zero potential energy. At this stage, the potential energy has been completely transformed to kinetic energy.
At the maximum displacement, the kinetic energy is completely converted into the pendulum's potential energy.
Thus, as the potential energy of the pendulum increases, so does the kinetic energy, and as the kinetic energy increases, so does the potential energy.
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Show the shifts that result from each of the following shocks. Then
use point E to identify the new short-run equilibrium. Where should
the E be placed
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Shocks cause shifts in AD and AS curves, and the placement of point E, representing the new equilibrium, depends on these shifts.
Shocks can affect the economy through changes in aggregate demand or aggregate supply. An increase in aggregate demand would shift the AD curve to the right, reflecting higher overall demand for goods and services. This shift would result in a higher level of output and prices in the short run. Consequently, point E would be placed at a higher level of output and higher price level.
On the other hand, a positive supply shock, such as a decrease in production costs or an increase in productivity, would shift the AS curve to the right. This shift implies higher output and lower prices in the short run. In this case, point E would be located at a higher level of output and a lower price level.
Conversely, a negative supply shock, such as an increase in production costs or a decrease in productivity, would shift the AS curve to the left. The resulting equilibrium at point E would be characterized by lower output and higher prices in the short run.
To determine the placement of point E, it is necessary to identify the specific shifts caused by the shocks, such as an AD shift, a positive supply shock (AS shift to the right), or a negative supply shock (AS shift to the left). Once the shifts are identified, the corresponding changes in output and price level can be determined, and point E can be placed accordingly in the new short-run equilibrium.
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4. Explain A girl is jumping on a trampoline. When she is at the top of her jump, her mechanical energy is in what form? Explain why.
Answers
Mechanical energy is of two types,
1. Kinetic energy
2. Potential energy
When the girl is at the top of her jump, the speed of the girl becomes zero.
Thus, the kinetic energy of the girl at the top of her jump is,
\(K=\frac{1}{2}mv^2\)where m is the mass of the girl and v is her speed,
Substituting the known values,
\(K=0\text{ J}\)Thus, the kinetic energy of the girl is zero at the top of her jump.
The potential energy of the girl at the top of her jump is,
\(U=\text{mgh}\)where g is the acceleration due to gravity and h is the height of the girl,
Thus, the potential energy of the girl at the maximum height is maximum.
Hence, the mechanical energy of the girl at the top is in potential energy form because her kinetic energy is zero at the top of her jump.
a tuck at rest starts to move and accelerated by 4m/s in 25 secondd. what is the velocity of the truck at the end offf the time?
Answers
Explanation; 4x25
An object has a mass of 26.94 grams and a volume of 2.568 cubic centimeters. what material is it likely to be made of?
Answers
With an object having a mass of 26.94 grams and a volume of 2.568 cubic centimeters, the object is likely to be made of aluminum.
Aluminum is the likely material for the object with a mass of 26.94 grams and a volume of 2.568 cubic centimeters. This conclusion is based on the fact that aluminum has a relatively low density, making it a plausible candidate for an object with these specifications.
Density is defined as mass per unit volume. By dividing the mass (26.94 grams) by the volume (2.568 cubic centimeters), we can calculate the density of the object. The density of aluminum is approximately 2.7 grams per cubic centimeter. Comparing this with the given density value, it becomes apparent that the calculated density is close to the known density of aluminum.
Therefore, it is reasonable to conclude that the object is made of aluminum.
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To determine the amplitude of a wave you need to know the
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A 1000-kg sports car of mass accelerates from rest to 20 m/s in 6.6 s. What is the frictional force exerted by the road on the car?
Answers
Acceleration
a=v-u/ta=20-0)6.6a=20/6.6a=3.03m/s²Now
Apply Newtons second law
F=maF=1000(3.03)F=3030NTo find frictional force we need coefficient of friction which is not given .
generally for car case the value of coefficient is 0.6-0.8 .
Putting max 0.8
f=$\mu$ Nf=0.8(3030)f=2424NNote:
Last part is assumption not accurate
The force acting on the sports car is the product of its mass and acceleration. The force on the car is 3300 N.
What is force?Force is an external agent acting on a body to deform it or to change it from the state of rest or motion. There are different kinds of forces such as frictional force, gravitational force, nuclear force, magnetic force etc.
Frictional force is acting as a hindrance to the motion of an object. The frictional force is the product of normal force and coefficient of friction.
According to second law of motion, force is the product of mass and acceleration.
Given mass m = 1000 Kg
change in velocity = 20 - 0 m/s
Acceleration = 20 m/s / 6.6 s
= 3.3 m/s².
Force = m a
= 3.3 m/s² × 1000 Kg
= 3300 N.
Now, product of this normal force and coefficient of static friction.
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Protective equipment and protective measures help keep all types of workers safe on the job.
true or false?
Answers
explanation: safety for everyone
a 1000 kg car is driving around a 100 m radius curve. the coefficient of static friction is 0.80 and the coefficient of kinetic friction is 0.60. determine the maximum speed that thee car can travel without slipping.
Answers
The maximum speed that the car can travel without slipping is 28 m/s.
What is the maximum speed of the car?For a car driving around a circular path not skid at maximum speed, then the centripetal force of the car must be equal to the static frictional force.
Fc = Fs
ma = μmg
a = μg
v²/r = μg
v² = rμg
v = √rμg
where;
v is the maximum speed of the carμ is the coefficient of static frictiong is acceleration due to gravityr is the radius of the circular pathv = √(100 x 0.8 x 9.8)
v = 28 m/s.
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An object moving in a circle is represented by the motion map.An illustration of a circle with four black dots on the top labeled W, bottom labeled Y, left labeled Z and right labeled X of the circle. Each dot has a vector toward the center of the circle of equal length and a vector tangent to the circle in a counterclockwise direction of equal length.Based on the map, at which point is the object accelerating toward the right?WXYZ
Answers
Since this is a circular motion, we know that the we have a centripetal acceleration; we know that this type of acceleration always points towards the center of the circle. This means that the acceleration is represented by the vectors that point towards the center. Looking at them we notice that at point Z the acceleration is pointing to the right.
Therefore, the object is accelerating to the right at Z
a block of mass 0.259 kg is placed on top of a light, vertical spring of force constant 4 975 n/m and pushed downward so that the spring is compressed by 0.099 m. after the block is released from rest, it travels upward and then leaves the spring. to what maximum height above the point of release does it rise? (round your answer to two decimal places.)
Answers
The block rises to a maximum height of 9.98 m above the point of release.
The maximum height above the point of release to which the block rises after it is released from rest can be calculated as follows:
Step 1: Determine the potential energy stored in the spring U = 1/2 kx² Where, U is the potential energy of the spring, k is the force constant, and x is the compression in meters U = 1/2 × 4975 N/m × (0.099 m)²U = 24.52 J
Step 2: The potential energy stored in the spring is converted into kinetic energy, which is then converted into gravitational potential energy.
Thus, U = K.E. = 1/2 mv²Where, K.E. is the kinetic energy of the block, m is the mass of the block, and v is the velocity of the block just after leaving the spring. Rearrange the above formula to calculate the velocity of the block as it leaves the spring: v = √(2U/m)v = √[2(24.52 J)/0.259 kg]v = 5.60 m/s
Step 3: At the maximum height above the point of release, the block has zero kinetic energy and a maximum potential energy. Thus, the gravitational potential energy of the block can be calculated as follows: mgh = U
Where, m is the mass of the block, g is the acceleration due to gravity, h is the maximum height above the point of release, and U is the potential energy stored in the spring. h = U/mg= U/(mg) = (24.52 J)/(0.259 kg × 9.81 m/s²)h = 9.98 m
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which one is correct( a )or( b )
Answers
Answer:
Option D. 100N.
Explanation:
In the attached photo, W is the weight of the rod. We can thus, obtain the value of W as follow:
Clock wise moment = (Wx1) + (100x3)
Anti clockwise moment = 400 x 1
Clockwise moment = Anti clockwise moment
(W x 1) + (100x3) = 400 x 1
W + 300 = 400
Collect like terms
W = 400 – 300
W = 100N.
Therefore, the weight of the rod is 100N.
Apa saja manfaat sumber daya hewan?
Answers
Hewan peliharaan, seperti ternak, memberi kita makanan, serat, dan kulit. Hewan liar, termasuk burung, ikan, serangga, dan penyerbuk, penting untuk mendukung jaring aktivitas dalam ekosistem yang berfungsi. Populasi tumbuhan dan hewan yang sehat sangat penting bagi kehidupan.
when looking at a motion with constant acceleration the velocity , how to determine if increasing or decreasing
Answers
Answer:
a = (v2 - v1) / t
For constant acceleration (positive) v2 (final velocity) must be greater than v1 (initial velocity)
Note that velocity is a vector quantity in this equation
For instance in the case of a freely falling body one might have v1 as 9.8 m/s and v2 as 29.4 m/s in 3 sec giving
a = (-29.4 - (-9.8)) / 3 = -19.6 m/s^2 where the positive direction was chosen as upwards and the acceleration is negative or downwards
a man wants to test a rope. he ties one end to a telephone pole and the other to a horse. the horse pulls as hard as it can, but is not strong enough to break the rope. the man replaces the telephone pole with a second horse of identical strength. assume the two horses pull in opposite directions as hard as they can. will the rope break? explain your answer.
Answers
The rope will not break. Even though the two horses are pulling in opposite directions, their strength is identical and therefore cancels out.
The rope is not subjected to any greater force than when only one horse was pulling. If the rope was not strong enough to withstand the force of one horse, it would have broken when the first horse pulled on it.
This shows that maybe the rope is stronger and perhaps it was actually able to withstand the force than the horses when it is single and when now they are combined to form a greater force.
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Which statement explains what happens to older crust during seafloor spreading?
It is destroyed at coastlines.
It moves under continents.
It is destroyed at a mid-ocean ridge.
It moves away from a mid-ocean ridge.
Answers
Answer:
the last one, It moves away from a mid-ocean ridge.
Answer:
D
Explanation:
BabaBooey
A resistor utilized in a critical electronic component is required to have a resistance of 50 ohms +/- 5 ohms. The current manufacturer of this resistor has found that its manufacturing process produces a mean value of 49.8 ohms and has a standard deviation of.09 ohms. What would be the CpK of this process? (2 decimals)
Answers
A higher CpK value indicates better process capability. Therefore, the CpK of this process is 5.22 (rounded to two decimal places).
To calculate the CpK (Process Capability Index), we need to determine the process capability and compare it to the specification limits.
The formula for CpK is given by:
CpK = min((USL - mean) / (3 * standard deviation), (mean - LSL) / (3 * standard deviation))
Where:
USL = Upper Specification Limit
LSL = Lower Specification Limit
In this case, the USL is 55 ohms (50 + 5) and the LSL is 45 ohms (50 - 5). The mean is 49.8 ohms and the standard deviation is 0.09 ohms.
Substituting these values into the formula:
CpK = min((55 - 49.8) / (3 * 0.09), (49.8 - 45) / (3 * 0.09))
CpK = min(5.22, 5.33)
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gaya adalah...?? [tolong yaaa..]
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I can try to help if you speak English
What is the volume of an object that has a mass of 675 g and a density of 15 g/cm3 ?
Answers
Answer:
45
Explanation:
because you divide volume and mass
Some careers involve regular sleep deprivation (e. G. , flight attendants and jet lag: doctors and
night shifts). How does learning about sleep deprivation change your opinion about these
careers? Should they be regulated in some way, and if so, how?
Answers
Learning about the effects of sleep deprivation can provide valuable insights into the challenges faced by individuals in careers that involve regular sleep disruption, such as flight attendants, doctors working night shifts, and others.
It highlights the potential risks associated with chronic sleep deprivation, including impaired cognitive function, decreased alertness, increased risk of accidents, and negative impacts on physical and mental health. Considering these effects, it is reasonable to argue that careers involving regular sleep deprivation should be regulated in some way to ensure the well-being and safety of individuals working in these professions. Here are a few possible approaches to regulation: Establishing Maximum Work Hours: Implementing regulations that define maximum work hours per shift or per week can help prevent excessive sleep deprivation. Setting limits on consecutive working hours and ensuring sufficient rest periods between shifts can promote better sleep patterns. Adequate Rest Periods: Ensuring that individuals have sufficient time for rest and recovery between shifts is crucial. Mandating minimum periods of uninterrupted rest can help mitigate the effects of sleep deprivation and allow for sufficient sleep. Education and Training: Providing comprehensive education and training on sleep hygiene, fatigue management, and the potential consequences of sleep deprivation can increase awareness among professionals in these careers. It can empower individuals to take proactive steps to manage their sleep and prioritize their well-being. Workplace Support: Employers can play a significant role in supporting employees by implementing policies and practices that prioritize sleep health. This can include providing designated rest areas, promoting healthy sleep habits, and encouraging open communication about sleep-related concerns. Regular Health Assessments: Regular health assessments and screenings that include evaluation of sleep patterns and sleep disorders can help identify individuals who may be at risk of chronic sleep deprivation. This can allow for early intervention and appropriate support measures. Regulations should be developed through collaboration among stakeholders, including professionals in the respective fields, labor organizations, employers, and regulatory bodies. It is important to strike a balance between the needs of the job and the well-being of the individuals performing those jobs. Ultimately, the goal should be to create a work environment that recognizes the importance of sleep and takes proactive measures to mitigate the negative effects of sleep deprivation, ensuring the safety, health, and overall well-being of individuals in these careers.
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Acceleration on Earth at sea level is approximately 10 m/s2, what would be the
force of your egg drop package if the mass was 0.56 kg?
Answers
The correct answer is 5.6 Newton is the force on the egg .
Using newtons 2 law of motion
force = mass * accelaration
now accelaration =10 m / s^2
mass = 0.56 kg
force = 0.56 * 10
force = 5.6 newton
Newton's second law of motion governs the behavior of objects when all available forces are not balanced. The second law states that an object's acceleration is determined by two variables: the net force acting on the object and the object's mass. The acceleration of an object is proportional to the net force acting on it and inversely proportional to its mass. The acceleration of an object increases as the force acting on it increases. The acceleration of an object decreases as the mass of the object increases.
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2. A child swings back and forth on a swing with no friction or air resistance between points X and Z, as shown. Point Y is the lowest point in the swing, where height is zero. Which of the following is equal to the kinetic energy of the child at point Y?
(A) The kinetic energy of the child at point X.
(B) The kinetic energy of the child at point Z.
(C) The potential energy of the child at point Y.
(D) The potential energy of the child at point Z.
Answers
Answer:
c
Explanation:
Suppose you have a barometer with mercury and a barometer with water. How does the height hwater compare with the height hmercury?.
Answers
Mercury is 13.6 times denser than water, or by a factor of 13.6. If water were used in place of mercury, the barometer's height would be 13.6 times greater.
In a mercury barometer, the level of air pressure balances a mercury column whose height may be precisely measured. Mercury barometers are frequently adjusted for the local gravity value and the surrounding temperature in order to boost their accuracy.Therefore ,water is 13.6 times less dense than mercury, a water barometer would need to be 13.6 times taller than a mercury barometer. The formula for calculating pressure states that it is determined by multiplying the density, height, and gravitational acceleration.Since it has a high density, mercury is frequently employed in barometers, allowing for a column height that is appropriate for measuring atmospheric pressure.
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