How long will it take a 25, 000 W motor to lift 90 kg block 35 m high
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How long will it take a 25, 000 W motor to lift 90 kg block 35 m high
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The time taken by the object is given by
where:
P = power
W = work
t = time
Solving for W
W = mgh
W = (90 kg)(9.8 m/s²)(35 m)
W = 30,870 J
Solving for t
Therefore, the time taken by the motor is 1.23 s