The crate of weight W is given speed v in time ti starting from rest. If the acceleration is constant, determine the power that must be supplied to the motor when t= t2. The motor has an efficiency e. Neglect the mass of the pulley and cable. Given:

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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Problem 14-49
The crate of weight W is given speed v in time tị starting from rest. If the acceleration
is constant, determine the power that must be supplied to the motor when t = t2. The
motor has an efficiency ɛ. Neglect the mass of the pulley and cable.
Given:
W = 250 N ty = 2 s
m
v = 3
E = 0.76
tj = 4 s
g = 9.81
Transcribed Image Text:Problem 14-49 The crate of weight W is given speed v in time tị starting from rest. If the acceleration is constant, determine the power that must be supplied to the motor when t = t2. The motor has an efficiency ɛ. Neglect the mass of the pulley and cable. Given: W = 250 N ty = 2 s m v = 3 E = 0.76 tj = 4 s g = 9.81
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