Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson
ISBN 10: 0133942651
ISBN 13: 978-0-13394-265-1

Chapter 3 - Vectors and Coordinates Systems - Exercises and Problems: 35

Answer

(a) $v_{par}= -3.4~m/s$ (b) $v_{perp} = -9.4~m/s$

Work Step by Step

(a) $v_{par}=- v~sin(\theta)$ $v_{par}=- (10~m/s)~sin(20^{\circ})$ $v_{par}= -3.4~m/s$ (b) $v_{perp} = -v~cos(\theta)$ $v_{perp} = -(10~m/s)~cos(20^{\circ})$ $v_{perp} = -9.4~m/s$
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