2014 F = ma Exam — Question 16 — Physics Guide

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F = ma (11–17)

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FMA-2014-16 · 2014 F = ma (AAPT)

2014 F = ma Exam — Question 16

16. An object of mass m1 initially moving at speed v0 collides with an object of mass m2 = αm1, where α < 1, that is initially at rest. The collision could be completely elastic, completely inelastic, or partially inelastic. After the collision the two objects move at speeds v1 and v2. Assume that the collision is one dimensional, and that object one cannot pass through object two. After the collision, the speed ratio r1 = v1/v0 of object 1 is bounded by — Source: Question 16, 2014 F = ma Exam, © 2014 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.

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F = ma problems are © the American Association of Physics Teachers (AAPT) and the U.S. Physics Team, the original source, and are used with permission. Problems shown here are adaptations: they have been reformatted by Physics Guide into separate question and answer-choice pieces for online multiple-choice practice. Physics Guide is an independent student project and is not affiliated with, endorsed by, operated by, or supported by AAPT, F = ma, USAPhO, or the U.S. Physics Team.

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