Question

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Q : An electric pump has 2 kW power . How much water will pump lift every minute to a height of 10 m. ? ​

Answer 1

Answer:

Explanation:

Power of pump = 2kW =2000W (Given)

Time (t)= 60sec (Given)

Height (h) = 10m (Given)

Let g = 10m/s².

Equation of power -

Power = work done per unit time.

Work done = mgh = m ×10×10 =100m

Substituting the value in equation -

Therefore, 2000W = 100m/60s

Thus, m = 1200kg

Hence, the pump can raise 1200kg of water in one minute.