A man does 250 J of work in 50 seconds. Calculate the power spent by him. Plz show with proper calculations and formulas.
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Work done = 250 joule(J)
Time = 50 s
We know that power is the rate of work done in unit time.
∴ Power = (250/50) J/s
= 5 watt(W)
(Ans): 5 W.
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