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KUMAR PRAKASHAN-WORK AND ENERGY -QUESTION & ANSWER (ADDITIONAL NUMERICALS FOR PRACTICE)
- A body of mas 15 kg undergoes downward displacement of 40 m under the ...
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- An object of mass 120g is taken upward at the height 5 m, then ………….. ...
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- At what speed a person having 60 kg mass should run to acquire 750 J k...
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- Kinetic energy of a car, having mass 1000 kg is 1,12,500 J. Driver app...
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- Hetasvi, having her own mass 50 kg, climbs 20 m height along with 30 k...
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- 5 tubelights each of 40 W are operated by 10 hour. Calculate electrica...
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- A boy of mass 40 kg climbs a staircase of 30 steps, each of 0.2 m heig...
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- A lady pulls a bucket filled with water having mass 10kg from a well 8...
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- A car having mass 1000 kg is moving with speed of 36kmh^(-1). Calculat...
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- The pendulum shown in the figure is kept horizontal. It is released fr...
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- In a residence 4 tubelights each of 40W are operated daily for 5 hour ...
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- A rocket is moving in upward direction with the velocity v, suddenly i...
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- Avinash is moving with the velocity 8ms^(-1) against the frictional fo...
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- The power of a water pump is 2 kW. How much amount of water can it rai...
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- Suppose the weight of a man on the planet A is half than that on the e...
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- A ball is falling freely from the height 10 m. On striking the ground ...
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- The power of an electric iron is 1200 W. It is used daily for 30 minut...
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- The momentam of a light and heavy objects are same. Find the ratio of ...
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- Car A of mass 1000 kg moves on a horizontal straight road with speed 3...
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- A girl of mass 35 kg is sitting in a trolley of mass 5 kg. By applying...
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