A Heavy Rock and a Light Rock Are Dropped from the Same

question 100

Multiple Choice

A heavy rock and a light rock are dropped from the same height and experience no significant air resistance as they fall. Which of the following statements about these rocks are correct? (There
Could be more than one correct choice.)

• A) Just as they were released, both rocks had the same amount of gravitational potential energy.
• B) When they reach the ground, the heavier rock has more kinetic energy than the lighter rock.
• C) Both rocks have the same kinetic energy when they reach the ground.
• D) The heavier rock reaches the ground before the lighter rock.
• E) Both rocks have the same speed when they reach the ground.

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