Question

A pump pumps 54 Litres of water to a height of 100m. If the efficiency of the pump is 80%, What is its power?

Answer 1

Explanation:

please mark me as branilst

Answer 2

Answer:

3.33kW

Explanation:

L = 54l

h=100m,

g=10m/s2,

η=80%

output power, P0=mghl=100×10×105

Input power Pi=?

As η=PoPi∴Pi=Poη=260/100=3.33kW