Question

pump lifts 500 litres of water from a well of
depth 50 meter in 98 seconds. The power of
A pull
the pump is
19.8 kW
2) 10 kW
3) 5 kW 4) 2.5 kW​

Answer 1

Answer:

4)2.5KW

Explanation:

p=mgh/t=density=mass/volume    =mass=density x volume=1000 x 500=5 x 105  =mgh/t =5 x 105 x9.8 x 50/98=25 x105 =2.5kw

Answer 2

Answer:

4)2.5KW

*Explantion :*

p=mgh/t=density=mass/volume    =mass=density x volume=1000 x 500=5 x 105  =mgh/t =5 x 105 x9.8 x 50/98=25 x105 =2.5kw