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

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?

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

(a) What is the power of an engine which can lift 600 kg of coal per minut from a mine 20 m deep ? (b) A 2kW motor pumps out water from a well 10m deep. Calculated the quantity of water pumped out per second.

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?

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 600 kg of water per minute from 20 m deep well?

What is the power of an engine which can lift 600 kg of water per minute from 20 m deep well?