Work, Energy and Power

Related Questions

• A 60 kg man runs up a staircase in 12 seconds while a 50 kg man runs up the same staircase in 11, seconds, the ratio of the rate of doing their work is

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• If a body of mass 200 g falls from a height 200 m and its total P.E. is converted into K.E. at the point of contact of the body with earth surface, then what is the decrease in P.E. of the body at the contact $(g = 10\,m/{s^2})$

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• Two bodies A and B having masses in the ratio of 3 : 1 possess the same kinetic energy. The ratio of their linear momenta is then

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• Which of the following is not a perfectly inelastic collision

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• The work done against gravity in taking 10 kg mass at 1m height in 1sec will be

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