A water pump can lift 500kg of water to a tank situated at a hieght of 10 m in 10 second. calculate the power of the pump. ( take g = 10 m/s)
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Explanation:
Force=m×g
F=500×10=5000N
Work=F×s
W=5000×80=4×10
5
joule.
Power=work/time
P=4×10
5
/10=4×10
4
=40kW.
Power Rating=Useful power/ efficiency
Power Rating = 40k/0.4=100kW
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The answer is in the picture
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