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F = ma (Final Problems)
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FMA-2018A-21 · 2018A F = ma (AAPT)

2018 F = ma Exam A — Question 21

A ping-pong ball (a hollow spherical shell) with mass m is placed on the ground with initial velocity v 0 and zero angular velocity at time t = 0. The coefficient of friction between the ping-pong ball and the ground is µ = µ = µ. The time the ping-pong ball begins to roll without slipping is s k v 0 v(cid:48) ω = 0
Source: Question 21, 2018 F = ma Exam A, © 2018 American Association of Physics Teachers (AAPT) and the U.S. Physics Team. Adapted by PhysicsTrainer: reformatted into a separate question and answer choices for online multiple-choice practice; any shared setup from nearby questions is repeated here. Not affiliated with or endorsed by AAPT or the U.S. Physics Team.