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11. Work, Energy and Power
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Q5 of 54 Page 135

Unit of power is :

Unit of power is watt.

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3

An object of mass m is moving with velocity v then kinetic energy will be :

4

An object of mass m is situated at height h from the earth surface then its value of potential energy will be :

6

A mass of 1 kg is lifted up to height of 4 meters then the work done will be (g = 10 m/s2) :

7

The value of the energy of the body which is falling freely towards the earth will be :

Questions · 54
11. Work, Energy and Power
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