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.
Correct Answer:

Verified
Correct Answer:
Verified
Q95: A 30-N stone is dropped from a
Q96: You carry a 7.0-kg bag of groceries
Q97: An ideal spring with a spring constant
Q98: If the work done to stretch an
Q99: When you drop a pebble from height
Q101: Matthew pulls his little sister Sarah
Q102: Three cars (car F, car G,
Q103: You and your friend, who weighs the
Q104: If the force on an object is
Q105: A 60-kg skier starts from rest from