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Standard XII
Physics
Average and Instaneous Power
A pump of 200...
Question
A pump of 200 W power is lifting 2 kg water per second from an average depth of 10m.
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Solution
Given :
P
=
200
W
m
=
2
k
g
h
=
10
m
Using
P
=
m
g
h
t
or
200
=
2
×
10
×
10
t
⟹
t
=
1
s
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