Engineering Mechanics: Statics & Dynamics (14th Edition)

Published by Pearson
ISBN 10: 0133915425
ISBN 13: 978-0-13391-542-6

Chapter 12 - Kinematics of a Particle - Section 12.6 - Motion of a Projectile - Problems - Page 49: 75


$v_{sp}=4.28$ m/s

Work Step by Step

We solve for the average speed as follows: $S_T=\frac{1}{4}(2\pi)(10)+15+\frac{1}{4}(2\pi(5))=38.56$ $v_{sp}=\frac{S_T}{t}=\frac{38.56}{2+4+3}=4.28$ m/s
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