Answer
$380W=0.51hp$
Work Step by Step
We know that
$P=\frac{W}{t}$
$\implies P=\frac{mgh}{t}$
We plug int the known values to obtain:
$P=\frac{70(9.81)(1576\times 0.2)}{9min\times 60sec/min\times+33sec}$
$P=380W$
$P=\frac{380}{746}$
$P=0.51hp$
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 7 - Work and Kinetic Energy - Problems and Conceptual Exercises - Page 212: 43
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