Question

A pump of 200 W power is lifting 2 kg water from an average depth of 10 meters per second. Find the velocity of water delivered by the pump?

Answer 1

how can you have a

depth of 10 meters per second

???

Answer 2

2m/s

Answer 3

Power= work done/time
=( mgh+0.5mv^2)/t
200= (2*9.8*10 + 0.5*2*v^2)/1
200=196+ v^2
v= 2 m/s

Answer 4

Excellent

Answer 5

Can anyone say how t=1 sec??