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From a waterfall 60 m high, water falls ...

From a waterfall 60 m high, water falls at a rate of `27 m^3*s^(-1)`. If 75% of energy is available at the bottom for use , how much power will be generated ? Mass of `1m^3` of water is `10^3 kg`. If the power is used to lift water from a 180 m deep tubewell, how much water can be raised in 1 s?

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The correct Answer is:
`1.19xx10^4kW; 6.75 m^3`
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