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 $
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
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 - Page 88: 61b
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