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F = ma (11–17)
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FMA-2020B-17 · 2020B F = ma (AAPT)

2020 F = ma Exam B — Question 17

Assume that h takes the value found in the previous question, and that the collision between the two masses is perfectly elastic. For what value of ∆x will m rebound to a maximum height that is exactly equal to its original height? r πg m3
Source: Question 17, 2020 F = ma Exam B, © 2020 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.