Physics
A pump raises water by spending 4 x 105 J of energy in 10 s. Find the power of pump.
Work, Energy & Power
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Answer
Given:
Work done by pump = Energy spent = 4 x 105 J or 400000 J
time = 10 s
Power = ?
Power =
=
= 40000 W or 4 x 104 W
So power spent by the pump = 4 x 104 W.
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