Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 2 - Describing Motion: Kinematics in One Dimension - Problems: 29

Answer

44 g.

Work Step by Step

Their final velocity is zero, and their starting velocity is 26.4 m/s. Find the acceleration from equation 2–11c. $$a=\frac{0-(26.4 m/s)^2}{(2)(0.8 m)}= -436 \frac{m}{s^{2}}$$ The magnitude of the acceleration is $\approx 440 \frac{m}{s^{2}} \approx 44g$.
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