(a) What is the power of an engine which...

(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.

A

2 kW

B

3 kW

C

4 kW

D

5 kW

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