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Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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
Transcribed Image Text:R14-6. The 50-lb load is hoisted by the pulley system and
motor M. If the motor exerts a constant force of 30 lb on the
cable, determine the power that must be supplied to the
motor if the load has been hoisted s = 10 ft starting from
rest. The motor has an efficiency of e : 0.76.
=
M
Prob. R14-6
B
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