A friend of yours argues that two rocks of different masses dropped from the same height will not reach the ground at the same time or even nearly the same time.  She argues that light things are pulled less by gravity and we have all seen light things take a lot longer to fall.    Do you think she is correct about how the rocks will land?  What parts of her argument are correct?   What parts of her argument are incorrect, missing, or don’t apply to the situation with the rocks?

Q: In a spaceship accelerating at g, far from Earth’s gravity, how does the motion of a dropped ball…

A: Given:  A spaceship accelerating at g.

Q: You are on a planet and drop an object from a height of 2 meters and it takes 3 seconds to hit the…

A: The equation of motion is given by,

Q: If an observer moves 10 times further away from the sun that earths orbit

A:

Q: Two astronomical bodies are 2 miles apart at first. How will the gravitational acceleration between…

A:

Q: What are the dangerous of gravitational waves

A: The dangerous of gravitational waves are mention below 1-When a gravitational wave gets emitted, the…

Q: according to the universal gravitational Newton's law, the gravity exists between any two massed…

A:

Q: If you were on a planet that had twice the mass of the Earth, but was the same size, by what factor…

A:

Q: . The setup shown by the diagram below was used to calculate the force experienced by a small mass m…

A: We need to find the limit of integration when the mass is located inside the shell. The given…

Q: A satellite “X" travels a constant speed "v" around the earth a distance of d abov the earth's…

A: The expression for the orbital time period is given as T2=4πR3GM......(1)

Q: Is this equation = to newtons law of universal gravity? and we ignore mass because it does not…

A:

Q: Which of Einstein's theories extends what we know about Newtonian physics and cons of the gravity

A: Special theory of relativity gives two information. First All law of physics are same in all…

Q: A planet in a faraway galaxy orbiting a star in an almost circular orbit with a radius of 3.40 x…

A:

Q: A girl attaches a rock to a string, which she then swings counter-clockwise in a horizontal circle.…

A: Given that girl attaches a rock to a string, which she then swings counter-clockwise in a horizontal…

Q: Find the acceleration of our galaxy, the Milky Way, due to the nearest comparably sized galaxy, the…

A:

Q: What are gravitational waves, and have they yet been observed either directly or indirectly?

A: An object moving in space, a disturbance will be produced with time in the form of ripples like that…

Q: A 8,987 kg point mass and a 3,812 kg point mass are separated by 1 cm. Calculate the size of the…

A: The gravitational force is given by  F =G m m'r2

Q: If a bit travels at the speed of light in space (approximately 3 X 10^8 meters/sec) and a satellite…

A: GivenA bit travels at the speed of light in space ,S=3×108 m/sDistance between earth and satellite…

Q: The international space station orbits at a height that is 408,000 m above the surface of the earth.…

A:

Q: In an intergalactic competition, spaceship pilots compete to see who can cover the distance between…

A: Given: The distance is 3 Mkm. The time taken is 20 s.

Q: Why are gravitational waves so difficult to detect?

A: An invisible ripple in the space, which is traveling at the speed of light is known as gravitational…

Q: What is relative velocity? Write down the equation for the velocity of one body with respect to…

A: Relative velocity is the vector difference between the velocities of two bodies. It is the velocity…

Q: In the best case scenario for a gravity boost, a spacecraft approaches a planet very closely and…

A: The spacecraft will get first gravity boost when it approaches planet. It's speed increases, because…

Q: A spaceship is located around 2.6×10¹³ km from the black hole Messier 87. It has a mass of 6.6…

A: Time is not absolute, it depends on the speed and gravitational field present. The time measured…

Q: The law of conservation of energy states that energy can be converted from one form to another but…

A: If energy were not conserved, it would have significant implications for the functioning of the…

Q: What is the mass of Planet X?  What is the gravitational field on Planet X?

A: Mass of the planet

Q: 1-) Black ball at rest initially. Ball A collides with the black ball as shown. Ball A - initial…

A:

Q: distance

A: Given: Initial velocity, u = 0 m/sTime, t = 3 s

Q: Do you think values are relative? If so, what are they relative to? If not, why not?

A: To measure any physical quantity the basis of the measurement is required known as reference of…

Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.