Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)

Published by Pearson
ISBN 10: 0321740904
ISBN 13: 978-0-32174-090-8

Chapter 1 - Concepts of Motion - Exercises and Problems: 25

Answer

(a) $10,800~s$ (b) $172,800~s$ (c) $3.1536\times 10^7~s$ (d) $65.5~m/s$

Work Step by Step

(a) $(3~hr)(\frac{3600~s}{1~hr}) = 10,800~s$ (b) $(2~days)(\frac{24~hr}{1~day})(\frac{3600~s}{1~hr}) = 172,800~s$ (c) $(1~yr)(\frac{365~days}{1~yr})(\frac{24~hr}{1~day})(\frac{3600~s}{1~hr}) = 3.1536\times 10^7~s$ (d) $(215~ft/s)(\frac{1~yd}{3~ft})(\frac{0.9144~m}{1~yd}) = 65.5~m/s$
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