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SL ARORA-Work, Energy and power-EXERCISE
- A body of mass 4m at rest explodes into three pieces. Two of the piece...
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- The cofficient of restitution e for a perfectly elastic collision is
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- A ball falls from rest from a height h onto a floor, and rebounds to a...
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- A ball is dropped from a height h on to a floor . If the cofficient of...
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- A ball falls vertically onto a floor with momentum p and then bounces ...
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- Two springs A and B are identical except that A is stiffer than B. If ...
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- Two springs Aand B are identical expect that A isstiffer than B.If the...
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- A rocket explodesin midair. Its total momentum -------------while tota...
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- The potential energy when two protons are brought closer and the poten...
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- What is work done in holding a 15kg suitcase while waiting for a bus f...
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- Assertion : The power of a pump which raises 100 kg of water in 10...
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- A motor boat is moving at a steady speed of 20ms^(-1). If the water re...
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- A stone projected vertically upwards from the ground reaches a maximum...
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- A particle of mass 4 m which is at rest explodes into three fragments....
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- The kinetic energy of a body decreases by 20%. What is the percentage ...
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- The power of an agent at any instant is equal to the dot product of it...
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- Two identical particles move --------- to eachother after elastic coll...
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- For a perfectly inelastic collision, the relative velocity of separati...
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- For a superelastic collision, the coefficient of restitution is-------...
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