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SL ARORA-Work, Energy and power-EXERCISE
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- The SI unit of power is .
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- A constant force F is pushing a 5 kg mass on a horizontal surface at a...
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- A car of mass m is driven with acceleration a along a straight level r...
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- Power applied to a particle varices with time as P =(3t^(2)-2t + 1) wa...
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- An electric pump is used to fill an overhead tank of capacity 9m3 kept...
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- In an inelastic collision, what is conserved
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- A bullet is fired and gets embedded in a block kept on table. If table...
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- A body of mass M(1) collides elastically with another mass M(2) at res...
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- A body of mass 5 kg moving with a velocity 10 m/s collides with anothe...
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- A body is moving with a velocity v , breaks up into two equal parts. O...
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- A bomb is kept stationary at a point. It suddenly explodes into two fr...
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- A particle of mass m having velocity v moving towards north collides w...
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- A mass3in,initially at rest at the origin, explodes into three fragmen...
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- A body of mass 4m at rest explodes into three pieces. Two of the piece...
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