A demonstration helps students understand a principle of roller coaster design. An image of this is shown below.
Which answer choice correctly describes the ball’s kinetic and potential energy?
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5 points
Captionless Image
A. The ball has more potential energy at position X than at position Z.
B. The ball has more kinetic energy at position Y than at position W.
C. The potential energy and kinetic energy of the ball are equal at position X.
D. The potential energy and kinetic energy of the ball are greatest at position Z.