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BINA LIBRARY-WORK,ENERGY AND POWER-EXERCISE
- An engine lifts 200kg of metal to a vertical height of 30 m in one min...
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- A car of weight 1000 kg moves with a uniform speed of 36Km/hr up an ...
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- An engine of weight one metric ton is going up an inclined plane ,mak...
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- A ball of mass 1.2 kg moving with velocity 20cm/s collides with anoth...
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- A block of mass 2kg moving with certain velocity collides with a block...
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- A block of mass 2 kg moving at 2.0m/s collides with another block of e...
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- A block of 1.2 kg moving at 20 cm/s collides head-on with a simmilar b...
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- A position dependent force F=(7-2x+3x^2)N acts on a small body of mass...
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- A body constrained to move in y directions is sunjected to a force F=(...
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- The K.E acquired by a mass m travelling a certain distance d starting ...
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- A 4 kg mass and a 1 kg mass are moving with equal K.E.The ratio of the...
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- If the momentum of a body increases by 50%,its K.E,increases by
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- A ball whoes K.E is K is projected at an angle 45° to the horizental.T...
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- A stationary particle explodes into two particle of masses m1 and m2 ...
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- Two bodies with K.E in ratio 4:1 are moving with equal linear momentum...
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- The P.E of a string when stretched by 2 cm is U.Its P.E when stretched...
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- A spring of force constant 800 N/m has an extension of 5 cm . The wor...
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- If water falls from a dam into a turbine wheel 19.6m below ,the veloc...
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- An elastic ball is dropped from a height to 100m.It lose s 20% of its ...
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- A ball dropped from a height og h.If the co-efficient of restitution b...
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