An electric pump of 2.5 kw is used to pump water for 5 min. Calculate the energy in joule.
Answers
Answered by
0
Explanation:
Power of pump=2kW=2000W
Time(t)=60s
Height(h)=10 m
g=10ms
−2
We know,
Power=work done per unit time
Work done=mgh
=m×10×10
=100m
Power=
t
100m
2000=
60s
100m
m=1200 kg
Hence,pump can raise 1200 kg water per minute up to 10 m height
Answered by
0
Answer:
Power of pump=2kW=2000W
Time(t)=60s
Height(h)=10 m
g=10ms
−2
We know,
Power=work done per unit time
Work done=mgh
=m×10×10
=100m
Power=
t
100m
2000=
60s
100m
m=1200 kg
Hence,pump can raise 1200 kg water per minute up to 10 m height.
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