Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 10 - Rotational Kinematics and Energy - Problems and Conceptual Exercises - Page 326: 40

Answer

$a_{cp}=0.29\frac{m}{s^2}$ directed downward $a_1=-2.1\frac{m}{s^2}$ directed towards left

Work Step by Step

We know that $a_{cp}=r\omega^2$ We plug in the known values to obtain: $a_{cp}=(9.5)(\frac{2\pi}{36})^2$ $a_{cp}=0.29\frac{m}{s^2}$ directed downward As we know: $a_1=r\alpha$ We plug in the known values to obtain: $a_1=(9.5)(-0.22)=-2.1\frac{m}{s^2}$ directed towards left
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