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CP SINGH-WORK, ENERGY AND POWER-EXERCISES
- A block of mass 100 g is moved with a speed of 5(m)//(s) at the highes...
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- A block weighing 10 kg travels down a smooth curved track AB joined to...
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- The curved portions are smooth and horizontal surface is rough. The bl...
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- A 2kg block slides on a horizontal floor with the a speed of 4m//s it ...
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- A particle moves with a velocity 6hat(i)-4hat(j)+3hat(k)m//s under the...
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- The power of pump, which can pump 200 kg of water to height of 200 m i...
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- A pump can take out 7200 kg of water per hour from a well 100 m. deep....
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- In a factory it is desired to lift 746 kg of metal through a distance ...
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- The power of a water pump is 2 kW. If g = 10 m//s^2, the amount of wat...
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- A body of mass m , accelerates uniform from rest to v(1) in time t(1) ...
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- A body of mass m is acceleratad uniformaly from rest to a speed v in a...
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- A body is initially at rest. It undergoes one-dimensional motion with ...
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- A car of mass 1250 kg is moving at 30(m)//(s). Its engine delivers 30 ...
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- A car of mass m is driven with acceleration a along a straight level r...
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- Water falling from a 50m high fall is to be used for generating electr...
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- An unruly demonstrator lift a stone of mass m kg from the ground and t...
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- A particle of mass m is thrown with speed u at an angle of projection ...
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- A particle of mass m is given a velocity u on a rough horizontal surfa...
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- A block of mas 2.0 kg is pulled up on a smooth incline of angle 30^0 w...
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- A block of mas 2.0 kg is pulled up on a smooth incline of angle 30^0 w...
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