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SOLUTION: How much time is required to lift a 525 kg object 25.0 m with a motor that produces 2.50 kW?
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Question 327849
:
How much time is required to lift a 525 kg object 25.0 m with a motor that produces 2.50 kW?
Answer by
scott8148(6628)
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the force required to lift the object is equal to mg ___ f = 525 * 9.8
the work done is the force acting over distance ___ w = 525 * 9.8 * 25
power is work per unit of time ___ (525 * 9.8 * 25) / t = 2500
t = (525 * 9.8 * 25) / 2500
the units are all in the MKS system , so "t" is in seconds