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What is the power of an engine which can...

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

A

4 kW

B

5 kW

C

2 kW

D

3 kW

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(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.

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Knowledge Check

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

    A
    200 W
    B
    250 W
    C
    300 W
    D
    1080 W

  • What is the power of a pump which can pump 300 kg of water to the terrace of a building of height 20m, in 10s?

    A
    4kW
    B
    5kW
    C
    6kW
    D
    8kW

  • The power of a pump, which can pump 500 kg of water to height 100 m in 10 s is

    A
    75 kW
    B
    25 kW
    C
    50 kW
    D
    500 kW

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