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[" Qoz.What would be the power of an "],[" engine required to lift "90" metric tones of "],[" coal per hour from a mine "200m" deep."]

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What would be the power of an engine required to lift 90 metric tonnes of coal per hour from a mine 200 m deep g=9.8 m/s^2 .

What should be the power of an engine required to lift 90 metric tonnes of coal per hour from a mine whose depth is 200m?

Find the power of an engine which lifts 90 metric tonnes of coal per hour from a depth of 200m.

What is the power of an engine which can lift 20 metric tonne of coal per hour from a 20-m deep mine?

What is the power of an engine which can lift 20 metric tonne of coal per hour from a 20-m deep mine?

Calculate the power of an engine required to lift 10^5 kg of coal per hour from a mine 360 m deep.

What is the power of an engine which can lift 20 metric ton of coal per hour from a mine 30 metres deep ?

Calculate the power of an engine required to lift 10^(5)Kg of coal per hour from a mone 360 m deep (Take g=10 m s^(-2) )

What would be the power of an engine which supplies 18 kJ of energy per minute?