A Heavy Stone and a Light Stone Are Released from Rest

question 22

Multiple Choice

A heavy stone and a light stone are released from rest in such away that they both have the same amount of gravitational potential energy just as they are released.Air resistance is negligibly small.Which of the following statements about these stones are correct? (There could be more than one correct choice. )

• A)The initial height of the light stone is greater than the initial height of the heavy stone.
• B)The stones must have been released from the same height.
• C)The stones both have the same speed just as they reach the ground.
• D)Just as it reaches the ground,the light stone is traveling faster than the heavy stone.
• E)The stones both have the same kinetic energy just as they reach the ground.

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