Question

08. A pump raises water by spending 4*10^5 of energy in 20s Find the power of the pump ​

Answer 1

Answer:

Explanation:

Energy spent = w = 4 × 105 J

Time taken = 10 s

Power = Energy / Time P

= 4 x 105/10 = 4 x 104 W

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Answer 2

Work done by the pump=W=4*10^5
=400000J
Time taken =T=20seconds
Therefore, Power spent= p=W/T
=400000/20=20000 Watt (Answer)



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