College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 3 - Motion in Two Dimensions - Learning Path Questions and Exercises - Exercises - Page 101: 76


$a). 4.24^{\circ}$ $b). 44.56s$

Work Step by Step

a). $tan^{-1}(\frac{6.75}{0.5})=85.76^{\circ}$ Reqd. angle=$90^{\circ}-85.76^{\circ}=4.24^{\circ}$ b). $cos4.24^{\circ}\times 6.75m/s=6.732m/s$ Time taken $=\frac{300m}{6.732m/s}=44.56s$
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