Calculate the power of an engine
which can supply
60 kg of energy per
minutes. take ( g= 10ms)
Answers
Answered by
1
Answer: m=400kg
H=10m
t=40sec
Input energy =400×g×H=mgn
E
i
=400×10×10=40000J
Energy per sec,E
1
=
40
40000
=1000J/s
Power input =1000J/s
output =1000×80%
800J/s=800W
Explanation:
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