Question

a water pump can fill up a tank of size 1.8m^3 situated at a height of 10m on a building in 15 minutes what is the power of water​

Answer 1

Answer:

Total work done is the sum of potential and kinetic energies,

i.e. W=mgh+

2

1

mv

2

Thus,

P=

t

W

=

t

mgh+

2

1

mv

2

=

60

(800×10×10)+

2

1

×800×(20)

2

=4000W