the idea that a force exists between two bodies that depends on the product of their masses and the square of the distance between them was formalized by
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The idea that a force exists between two bodies that depends on the product of their masses and the square of the distance between them was formalized by Sir Isaac Newton. This concept is known as Newton's Law of Universal Gravitation.
According to this law, the force of gravity between two objects is given by the formula:
F = G*m1*m2/r^2
Where F is the force of gravity, G is the gravitational constant, m1 and m2 are the masses of the two objects, and r is the distance between their centers of mass.
This law explains why objects with larger masses, such as the Earth, have a stronger gravitational pull than objects with smaller masses. It also explains why the force of gravity decreases as the distance between two objects increases.
In conclusion, Newton's Law of Universal Gravitation formalized the idea that the force of gravity between two objects depends on their masses and the distance between them.
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Related Questions
In general, which factor is NOT critical when beginning an exercise program? A. using appropriate protective equipment during exercise B. finding friends who like to exercise the same way you do C. seeing your doctor for a physical assessment prior to beginning exercise D. choosing clothing that is designed to match your exercise program Please select the best answer from the choices provided.
O A
О В
O C
PLEASE HELP!!!
Answers
Answer:
B. I looked it up I hope it's right
Explanation:
i hope this helps.
Answer:
its obviously C
Explanation:
i smart like dat
Describe the shape of the following:
a. Solid -
b. Liquid -
C. Gas-
Answers
Answer:
Solids have a definite shape and volume. Liquids have a definite volume, but take the shape of the container. Gases have no definite shape or volume.
how would the tides change if the Earth's weight was doubled
Answers
Answer:
If Earth's diameter doubled but density was similar to the old Earth, the planet's mass would go up and gravity would be twice as strong. That would instantly make tides twice as much as it was before.
Explanation:
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3. Which of the following is having work done on it? (Circle all that apply.)
a. a grocery bag as you lift it up
b. a crane moving dirt
c. a monkey hanging on a tree branch
d. a crate as you push it along the floor
e. a person sitting on a bench
Answers
Part B
Light can bounce off objects. This is called reflection, and it's what
allows us to see objects. This drawing shows a light ray reflecting from
the red construction paper. Although many light waves are hitting the
paper and reflecting from it, showing just one ray helps us follow the
path of a single wave.
white light ray
from flashlight
red light ray seen
For each color of paper, which part of white light is reflected?
Answers
Light will reflect at the same angle off a smooth surface as when it first touches it. The direction of reflected light beams for a flat surface is the same. Specular reflection is what is happening here.
What is it called when light reflects off something to let us see the thing?When light reflects off of a surface, it happens. Light will reflect at the same angle it was incident upon if the surface is glossy and smooth.
Exactly what does light reflect mean?A smooth polished surface is what is referred to as a reflection when a light ray strikes it and bounces back. Surface reflection occurs when a light beam hits it and then leaves it.
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Answer: The part of color that's reflected is the red that bounces off the paper.
Hope this helps you!!!
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A car drives at a constant speed of 21 m/s around a circle of radius 100m. What is the centripetal acceleration of the car
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The centripetal acceleration of the car driving at a constant speed of 21 m/s around a circle with a radius of 100 m is calculated to be 4.41\(m/s^2.\)
To find the centripetal acceleration of the car, we can use the formula:
a = \(v^2\) / r
where "a" represents the centripetal acceleration, "v" is the velocity of the car, and "r" is the radius of the circular path.
Given that the car drives at a constant speed of 21 m/s and the radius of the circle is 100 m, we can substitute these values into the formula to calculate the centripetal acceleration.
a = (21\(m/s)^2\)/ 100 m
a = 441 \(m^2/s^2\)/ 100 m
a = 4.41 \(m/s^2\)
Therefore, the centripetal acceleration of the car is 4.41\(m/s^2.\) This centripetal acceleration represents the inward acceleration that keeps the car moving in a circular path, and its magnitude is determined by the square of the velocity divided by the radius of the circle.
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Electric charge can be built up on what material in the form of static electricity?
A. insulators
B. conductors
C. Semiconductors
D.Superconductors
Answers
Copper, silver, gold and steel are some examples.
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An object moves in the xy plane in above figure and experiences a friction force with constant magnitude 3.00N, always acting in the direction opposite the objects velocity. Calculate the work that you must do to slide the object at constant speed against the friction force as the object moves along (a) the purple path O to A followed by a return purple path to O, (b) the purple path O to C followed by a return blue path to O, and (c) the blue path O to C followed by a return blue path to O. (d) Each of your three answers should be nonzero. What is the significance of this observation?
Answers
An object moves in the xy plane in above figure and experiences a friction force with constant magnitude 3.00N :Along each step of motion, to overcome friction you must push with, (b) the purple path O to C followed by a return blue path to O.
The value of the pressure is the wide variety that represents the energy of the force. for instance: assume the pressure is = 10 N in the direction of the east. 'towards east' shows route whilst '10' is the magnitude of the force. So basically, value is the 'value' or 'amount' of any physical quantity.
A magnitude is represented by means of a nice actual wide variety. put clearly, a value is the size of a few amount. as an example, the significance of an earthquake, measured at the Richter scale, usually varies between 1 and 10 and represents the scale of the earthquake.
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Light is one form of energy that travels in electromagnetic waves. This energy is both (1)
and
electrical. There are many different types of electromagnetic (EM) waves. Most of them cannot be seen by humans.
Our eyes see only a small (2)
of EM waves called visible light Visible light is made up of different colors
The colors are red, orange, yellow, green, blue, indigo, and violet. The colors are due to the different (3)
of
light. The (4)
the wavelength, the less energy the wave has. The shorter the wavelength, the more energy
it has. The (5) wavelength of visible light looks red to us the shortest (6)
of visible light looks
vlolet to us
Answers
Answer:
Explanation:
Electromagnetic waves are formed by the interference of both electric and magnetic fields. These include: Microwaves, Radio waves, Infrared, Visible, Ultraviolet, X-ray, and gamma rays. These waves can be arranged in a specific order (called spectrum) with respect to their wavelength or frequency. The higher the wavelength, the lower the frequency. And vice versa.
These waves are transverse, and travels at the same speed (speed of light - 3.0 x \(10^{8}\) m/s).
In the given question, the answers are:
1 - Magnetic
2 - Region
3 - Refractive indices
4 - Greater
5 - Higher
6 - Wavelength
If a 2.0 kg ball rolls down a hill and its kinetic energy is 25 Jat
the bottom of the hill, then what must the ball's velocity be at
the bottom of the hill?
Answers
The velocity of the of the ball at the bottom of the hill will be 5 m/sec.
The velocity of an object can be defined as the rate of change in the object's position corresponding to a frame of reference and time.
Velocity is a vector quantity, it can be either negative or positive.
The kinetic energy is found by the formula;
K.E = \(\frac{1}{2}\) m\(v^{2}\) [ m is the mass of the ball ]
v = \(\sqrt{\frac{2.KE}{m} }\)
v = \(\sqrt{\frac{2*25}{2} }\)
v = \(\sqrt{25}\)
v = 25 m/sec
Hence, the velocity of the ball at the bottom of the hill will be 5 m/sec.
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A device consisting of four heavy balls connected by low-mass rods is free to rotate about an axle. It is initially not spinning. A small bullet traveling very fast buries itself in one of the balls. In the diagram, m = 0.005 kg, v = 450 m/s, M1 = 1.2 kg, M2 = 0.5 kg, R1 = 0.8 m, and R2 = 0.3 m. The axle of the device is at the origin < 0, 0, 0 >, and the bullet strikes at location <0.274, 0.752, 0> m. Just after the impact, what is the angular speed of the device? Note that this is an inelastic collision; the systems temperature increases. angular speed (absolute value of the angular velocity) = _________ radians/s
Answers
The angular speed of the device is 1.03 rad/s.
What is the conservation of angular momentum?A spinning system's ability to conserve angular momentum ensures that its spin will not change until it is subjected to an external torque; to put it another way, the rotation's speed will not change as long as the net torque is zero.
Using the conservation of angular momentum
\(L_{i} = L{f}\)
Here, \(L_{i}\) = the system's angular momentum before the collision
\(L_{i}\) = 0 + mv\(d_{y}\)
= (0.005)(450)(0.752)
= 1.692 kgm²/s
The moment of inertia of the system is given by
I = 2(M₁R₁² + M₂R₂²)+ mR₁²
= 2[(1.2)(0.8)² +(0.5)(0.3)²]+0.005(0.8)²
= 1.6292 kgm²
Here, \(L_{f}\) = Iω
So,
1.692 = 1.6292(ω)
ω = 1.03 rad/s
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The angular speed of the device is 1.03 rad/s.
What is the conservation of angular momentum?A spinning system's ability to conserve angular momentum ensures that its spin will not change until it is subjected to an external torque; to put it another way, the rotation's speed will not change as long as the net torque is zero.
Using the conservation of angular momentum
\(L_{i}=L_{f}\)
Here, = the system's angular momentum before the collision
\(L_{i}\) = 0 + mv
= (0.005)(450)(0.752)
= 1.692 kgm²/s
The moment of inertia of the system is given by
I = 2(M₁R₁² + M₂R₂²)+ mR₁²
= 2[(1.2)(0.8)² +(0.5)(0.3)²]+0.005(0.8)²
= 1.6292 kgm²
Here, = Iω
So,
1.692 = 1.6292(ω)
ω = 1.03 rad/s
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The diagram below shows a sled moving along a smooth, frictionless track.
Section 1
Section 2
Section 4
Section 3
In which sections of the track will the sled experience an unbalanced force?
A Sections 1 and 3
B Sections 2 and 3
C Sections 2 and 4
D Sections 3 and 4
Answers
Answer:
C. 2 and 4
Explanation:
my teacher went over it and the answer was that
The sections of the track in which the sled would experience an unbalanced force are: C. Sections 2 and 4.
The two types of force.In Science, there are two (2) main types of force that acts on an object and these include:
Balanced forceUnbalanced forceWhat is an unbalanced force?An unbalanced force refers to a type of force that occurs when two (2) or more forces acting on an object are unequal in magnitude, and as such, it typically results in a change of motion.
In this scenario, the sections of the track in which the sled would experience an unbalanced force are sections 2 and 4 respectively.
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Where is the potential energy highest on a marble roller coaster?
Answers
The potential energy is highest on a marble roller coaster at the highest point of the track.
The potential energy of an object is directly related to its height and its position relative to the reference point. In the case of a marble roller coaster, as the marble climbs up the track, it gains potential energy due to its increased height.
At the highest point of the roller coaster track, the marble reaches its maximum elevation, and thus, its potential energy is at its highest point.
As the marble moves downhill from the highest point, its potential energy decreases and is converted into kinetic energy, which is the energy of motion.
At the bottom of the track, where the marble reaches its lowest point, the potential energy is at its minimum because the height is at its lowest and the marble has converted most of its potential energy into kinetic energy.
The potential energy is highest on a marble roller coaster at the highest point of the track. This is where the marble reaches its maximum elevation and has the greatest amount of potential energy due to its height. As the marble moves downhill, its potential energy decreases and is converted into kinetic energy.
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How can you use your experimental results to find where the electric field has the greatest intensity
Answers
Using the experimental result greatest electric fleld can be found in practical application.
According to the problem,
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What is the relationship between wavelength and frequency Mcq?
Answers
The equation =c/f relates wavelength and frequency. There is an inverse relationship between wavelength and frequency.
What connection exists between the frequency and wavelength of EM waves?
One crucial equation connects them all: The speed of light is equal to the frequency times the wavelength of any electromagnetic wave. If we know the other measurement, we can use this connection to calculate the wavelength and frequency of the any electromagnetic wave.
What is a wavelength differs from a frequency in ways?The distance between the crests of two waves is known as the wavelength, which also applies to troughs. The number of vibrations that pass across a certain area in a second is the frequency, which is expressed in seconds per cycle (Hz) (Hertz). This article discusses how wavelength and frequency relate to one another.
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A train travels at a speed of 30mph and travelled a distance of 240 miles. How long did it take the train to complete its journey? Must show your work
Answers
Answer:
8
Explanation:
240 divided by 30 = 8
how to know give reason of force
Answers
How does an airplane fly in air? Explain on the basis of the law of flotation
Answers
Answer: Airplanes fly because they are able to generate a force called Lift which normally moves the airplane upward.
Explanation:
The Moon orbits Earth at an average distance of 384,000 km and completes one sidereal orbit (with respect to the stars) in about 27.3 days. Based on these two numbers, what is its average orbital speed? Express your answer in km/s.
Answers
The given average distance of the Moon from the Earth is 384,000 km and the sidereal period of the moon is 27.3 days. We need to find the average orbital speed of the moon.So, we can use the formula to calculate the average orbital speed of the Moon as follows:
Average orbital speed (V) = distance/time.
To get the distance covered by the moon in one orbit, we will multiply the distance of the Moon from the Earth by the circumference of the orbit:
Distance = 2 × π × r = 2 × π × 384000 = 2.41 × 10^6 km.
Therefore, the average orbital speed of the Moon is given by the formula:V = Distance / Time periodV = 2.41 × 10^6 km / 27.3 days.
We need to convert the time period from days to seconds:1 day = 24 hours1 hour = 60 minutes1 minute = 60 seconds1 day = 24 × 60 × 60 seconds1 day = 86400 seconds.
Therefore, the time period is:27.3 days = 27.3 × 86400 seconds27.3 days = 2.36 × 10^6 seconds.
Substituting this value in the formula we get:V = 2.41 × 10^6 km / 2.36 × 10^6 secondsV = 1.02 km/s.
Therefore, the average orbital speed of the moon is 1.02 km/s.
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if you double a blackbody’s temperature, by what factor does its radiated power increase?
Answers
If you double a blackbody's temperature, its radiated power will increase by a factor of 16.
According to Stefan-Boltzmann's law, the radiated power of a blackbody is proportional to the fourth power of its temperature (T^4). Therefore, if you double a blackbody's temperature, its radiated power will increase by a factor of 2⁴ = 16. Doubling the temperature results in an increase in radiated power by a factor of 16 because the power is directly proportional to the fourth power of the temperature. This relationship highlights the significant impact that temperature has on the amount of radiation emitted by a blackbody.
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130 An object, initially at rest, is dropped from a height of 12.0m. The change in gravitational potential
energy when it falls to the ground is 565J.
The frictional forces are negligible
mgh
What is its speed when it hits the ground?
A
4.71 m/s
B
15.5m/s
C 47.1 m/s
D 240 m/s
Answers
The speed when it hits the ground is option (B) 15.5 m/s.
To determine the speed of the object when it hits the ground, we can use the principle of conservation of energy. The initial potential energy of the object is converted into kinetic energy as it falls.
The change in gravitational potential energy is given as ΔPE = mgh, where m is the mass of the object, g is the acceleration due to gravity, and h is the height.
We know that ΔPE = 565 J, and the height h = 12.0 m.
Since the object is initially at rest, its initial kinetic energy is zero.
The total mechanical energy (sum of potential and kinetic energy) is conserved, so:
ΔPE = ΔKE
mgh = (1/2)mv^2
Here, m cancels out, giving:
gh = (1/2)v^2
Substituting the known values:
(9.8 m/s^2)(12.0 m) = (1/2)v^2
117.6 = (1/2)v^2
Dividing both sides by (1/2):
235.2 = v^2
Taking the square root of both sides:
v ≈ 15.33 m/s
Therefore, the speed of the object when it hits the ground is approximately 15.33 m/s.
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4. A Ferrari travels 350km in 2 hours. What was it's
s speed?
Answers
That’s the speed it was going.
Green light (520 nm) enters glass with n = 1.52. What is speed of light in the glass?
Answers
Answer:
Explanation:
v=\(\frac{c}{n}\)
=\(\frac{3.00*10x^{8} }{1.52}\)
answer=1.97×10^8
Answer: 1.97
Explanation:
9. A disease that causes the conjunctiva (the mucous membrane that lines the inner surface of the eyelids) to appear white because of deficiency of iron is:
Answers
The disease that causes the conjunctiva to appear white due to iron deficiency is called "Conjunctival Pallor."
How to identify conjunctival pallor?A disease that causes the conjunctiva to appear white due to iron deficiency is called "Conjunctival Pallor." Iron deficiency can lead to a condition called anemia, which is characterized by a decrease in the number of red blood cells or a decrease in the amount of hemoglobin in the blood.
When iron levels are low, it affects the body's ability to produce healthy red blood cells, leading to a paleness of the conjunctiva.
The conjunctiva normally appears pink due to the presence of blood vessels, but in cases of iron deficiency, the lack of iron causes the conjunctiva to lose its normal color and appear pale or white.
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The __________ theory claims that emotions are innate reactions to stimuli in one’s surrounding environment. A.evolutionaryB.two-factorC.James-LangeD.Cannon-Bard
Answers
Answer:
A. evolutionary
Explanation:
i took one for the team
6. Kepler's 2nd Law
States that a line connecting the planets will move in Equal ______
equal ________
Answers
Kepler's 2nd law states that a line connecting the planets will sweeps equal areas of space in equal time intervals.
The imaginary line joining a planet and the Sun sweeps equal areas of space in equal time intervals as the planet orbits.
Basically ,that the planets do not move with the constant speed along their orbits.
Rather, their speed varies so that the line joining the centers of the Sun and planets sweeps out equal areas of space in equal time.
The point of nearest approach of the planet to the Sun is termed as the perihelion and the point of greatest separation is aphelion.
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What is the weight of a 5.5kg bowling ball
Answers
Answer:
2.205 pounds
Explanation:
5.5 kg is 2.205 lbs. hope this helps!
explain how electricity can be conducted by acids and bases
Answers
Answer:
Using Arrhenius' definition, acids are those that produce the hydrogen ion when dissolved in water ( ) while bases produce the hydroxide ion ( ). These ions, when in water, act as charge carriers and can hence conduct electricity. Stronger acids dissociate completely and produce more of the ions.
Explanation:
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A perfectly spherical orange is split into four equal sections. if the radius of the orange is 4 centimeters, what is the total surface area of one slice? 16π cm2 32π cm2 24π cm2 64π cm2
Answers
The total surface area of one slice will be 64 π cm².
What is the total surface area?The total surface area includes the base as well as the curving component. It is the whole area covered by the object's surface.
The total area of a form with a curved surface and base is equal to the sum of the two areas.
The total surface area of the sphere will be;
\(\rm A=4 \pi r^2 \\\\ \rm A=4 \times \pi (4)^2 \\\\ \rm A=64 \pi \ cm^2\)
Hence the total surface area of one slice will be 64 π cm².
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Answer:
32
Explanation:
In a haunted house game, a door makes a creaking sound when opened. What kind of sound is the creaking door?
Answers
In a haunted house game, the creaking sound produced when a door is opened is intended to create a sense of suspense, tension, and a spooky atmosphere.
What does a creaking sound In a haunted house game mean?The purpose of incorporating a creaking door sound in a haunted house game is to enhance the overall ambiance and create a sense of anticipation and mystery.
It serves as an auditory cue that something ominous or supernatural is about to happen, adding to the immersion and thrill of the gameplay.
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