Correct Answer: D. V
Explanation: Kinetic energy is highest at the point where the ice cube is closest to the bottom of the bowl (position V) because it is traveling fastest due to gravity pulling it downwards.
Directions: A student investigates the relationship between gravitational potential energy and kinetic energy by sliding a smooth ice cube along the inside of a large punch bowl. The diagram below shows five positions of the cube in the bowl. Use this diagram to answer any questions that follow.
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Multiple Choice Question
At which position is the kinetic energy of the ice cube the greatest?
A.
II
B.
III
C.
IV
D.
V
1 answer