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Solve the following examples: Find the ...

Solve the following examples:
Find the mass of water lifted by a pump of power 0.5 hp to a height of 5m in 98 seconds.

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NAVNEET PUBLICATION-WORK AND ENERGY-EXERCISE
  1. Solve the following examples: If the energy required to move a body ...

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  2. Solve the following examples: If the energy of a ball falling from a ...

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  3. Solve the following examples: A body of mass 1 kg has kinetic energy ...

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  4. Solve the following examples: The velocity of a car increases from 54...

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  5. Solve the following examples: A man carrying a box of mass 20 kg clim...

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  6. Solve the following examples: An electric pump has 2 kW power. How mu...

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  7. Solve the following examples: If a 1200 W electric iron is used daily...

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  8. Solve the following examples: Find the mass of water lifted by a pump...

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  9. Solve the following examples: An electric bulb of 40 W is used for 25...

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  10. Calculate the work done when a force of 60 N displaces a body through ...

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  11. When a force of 30 N acts on a body, the body is displaced by 10 m in ...

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  12. A body of mass 5 kg is lifted through a height of 20 m. Calculate the ...

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  13. If the energy of a ball falling from a height of 20 m is reduced by 60...

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  14. A body of mass 2 kg moves with a velocity of 5 m/s. Find its kinetic e...

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  15. The speed of a body of mass 4 kg increases from 2m//s to 4 m//s in cer...

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  16. Calculate the potential energy of a body of mass 5 kg at a height of 2...

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  17. A box of mass 10 kg is lifted through a height of 10 m in 49 s. Find t...

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  18. Find the mass of water lifted by a pump of power 0.5 hp to a height of...

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  19. A pump lifts 373 kg of water to a height of 10m in 98s. Find the power...

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  20. An electric bulb of 40 W is used for 50 days at 5 hours per day. Find ...

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