2019 F = ma Exam A — Question 8 — Physics Guide

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Gravitation

FMA-2019A-08 · 2019A F = ma (AAPT)

2019 F = ma Exam A — Question 8

The mass and the radius of the Earth are M and R. If an object starting at a distance of R from the (cid:113) Earth’s surface is moving at a velocity v = 2GM tangentially, what is its trajectory? 0 3R — Source: Question 8, 2019 F = ma Exam A, © 2019 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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