Answer
The instantaneous power is zero.
Work Step by Step
At the release point, the velocity $v = 0$
We can find the instantaneous power:
$P = F\cdot v$
$P = F\cdot 0$
$P = 0$
The instantaneous power is zero.
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 7 - Kinetic Energy and Work - Problems - Page 176: 81c
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