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An engine pumps up 1,000kg of water through a height of 10m in 5s. Calculate the power of the engine

in kilowatt. Take g=10m s-1

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Respuesta :

Answer:

20Kilowatt

Explanation:

Power is the rate of work done per time. It can be calculated using the formula:

Power = Energy/time

Energy = mass × acceleration due to gravity × height ÷ time

Power = mgh/t

Where;

m = mass (1000kg)

g = acceleration due to gravity (10m/s²)

h = height (10m)

t = time (s)

Power = 1000 × 10 × 10 ÷ 5

Power = 20000 watt

In kilowatt = 1000watt, the power is:

20Kilowatt or 20Kw