Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 4 - Motion in Two and Three Dimensions - Problems: 61b

Answer

$789 km/s^2$

Work Step by Step

Centripedal acceleration is $a_{c} = \frac{v^2}{r}$ We found the velocity in part a as 125.6km/min and the radius is 20km. Therefore, the acceleration is $a_{c} = (125.6)^2/20 = 789 km/s^2 $
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