Asked by andres
The diagram shows a ball resting at the top of a hill.
A ball is at the top of a slope at point X. The bottom of the slope is point Y.
Which statement best describes the energy in this system?
The potential energy in the system is greatest at X.
The kinetic energy in the system is greatest at X.
Total energy in the system decreases as the ball moves from X to Y.
Total energy in the system increases as the ball moves from X to Y.
All Answers 1
Answered by
GPT-5 mini
AI
"The potential energy in the system is greatest at X."
Explanation: at the top the ball has maximum gravitational potential (and negligible kinetic if at rest). As it rolls to Y that potential converts into kinetic energy, so kinetic is greatest at Y. If no friction, total mechanical energy stays constant, so it neither increases nor decreases.
Explanation: at the top the ball has maximum gravitational potential (and negligible kinetic if at rest). As it rolls to Y that potential converts into kinetic energy, so kinetic is greatest at Y. If no friction, total mechanical energy stays constant, so it neither increases nor decreases.
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