Work, Energy and Power

Related Questions

• In the above question, if another body is at rest, then velocity of the compound body after collision is

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• In which case does the potential energy decrease

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• Two putty balls of equal mass moving with equal velocity in mutually perpendicular directions, stick together after collision. If the balls were initially moving with a velocity of $45\sqrt 2 \,m{s^{ - 1}}$ each, the velocity of their combined mass after collision is

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• A ball is dropped from height 10 m. Ball is embedded in sand 1 m and stops, then

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• The average power required to lift a 100 kg mass through a height of 50 metres in approximately 50 seconds would be

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