Work Energy And Power Question 183

Question: A weight lifter lifts 300 kg from the ground to a height of 2 meter in 3 second. The average power generated by him is [CPMT 1989; JIPMER 2001,02]

Options:

A) 5880 watt

B) 4410 watt

C) 2205 watt

D) 1960 watt

Show Answer

Answer:

Correct Answer: D

Solution:

P $ =\frac{Workdone}{Time} $ = $ \frac{mgh}{t} $

$ =\frac{300\times 9.8\times 2}{3}=1960W $



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