AP Physics 1 Circular Motion and Gravity Free Response 9

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Walkthrough of the AP Physics 1 Circular Motion and Gravity FRQ #9

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Correction: At point Q, the velocity should be zero, and the acceleration is thus only downward. That's because Q is the highest point so it slows and eventually reaches a velocity of 0 at the maximum height. A zero velocity means the centripetal acceleration is actually 0, so the net force is only downward. Thus, the acceleration is only downward.

AllenTsaoSTEMCoach
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Would the vectors for velocity in part a not be pointing towards the right? Because the arrow for the question indiciating motion towards ther right.

alexmei