Work, Energy and Power

Related Questions

• A weight lifter lifts 300 kg from the ground to a height of 2 meter in 3 second. The average power generated by him is

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• When a spring is stretched by 2 cm, it stores 100 J of energy. If it is stretched further by 2 cm, the stored energy will be increased by

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• 100 g of a iron ball having velocity 10 m/s collides with a wall at an angle ${30^o}$ and rebounds with the same angle. If the period of contact between the ball and wall is 0.1 second, then the force experienced by the ball is

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• A force of 5 N acts on a 15 kg body initially at rest. The work done by the force during the first second of motion of the body is

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