Question

8.
What is the power of a pump which takes 20 s to
lift 400 kg of water to a water tank situated at a
height of 20 m? [Take g = 10 m/s2)​

Answer 1

Answer:

Here, work done W= potential energy =mgh=100×10×20=20000J

The required power P=W/t=20000/10=2×10

3

W

Explanation:

I hope it helps u. Please follow me