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Question: The power of a pump, which can pump 200kg of water to a height of 200m in 10sec is \((g = 10m/s^{2})...

The power of a pump, which can pump 200kg of water to a height of 200m in 10sec is (g=10m/s2)(g = 10m/s^{2})

A

40 kW

B

80 kW

C

400 kW

D

960 kW

Answer

40 kW

Explanation

Solution

p=mght=200×10×20010=40 kWp = \frac { m g h } { t } = \frac { 200 \times 10 \times 200 } { 10 } = 40 \mathrm {~kW}