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If K.E of a body is doubled,what happens...

If K.E of a body is doubled,what happens to its momentum?

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BINA LIBRARY-WORK,ENERGY AND POWER-EXERCISE
  1. The momentum of two different masses are same.Show that the lighter ma...

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  2. The K.E of two different masses are equal.Which of the masses,lighter ...

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  3. If K.E of a body is doubled,what happens to its momentum?

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  4. Two bodies having masses 1g and 4g are moving with equal K.E find the ...

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  5. water of a river is striking the pillar of a bridge.Is work being done...

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  6. A man is swimming upstream over a river such that he appears to be at...

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  7. How much work is done on a body of mass m in moving it around a horizo...

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  8. Give an example where work done by a force is zero.

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  9. What is the power needed to maintain uniform circuler motion?

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  10. Can a body have energy without having momentum?

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  11. A ballon filled with hydrogen rises upward gaining both kinetic and po...

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  12. A man of mass 60 kg walks up to the top of a building of height 15 m....

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  13. A man cycles up a hill whoes slope is 1 m in 25 at the rate of 10 km/h...

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  14. A bullet of mass 12 g strikes a soild surface at a speed of 400m/s. It...

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  15. A body of mass 1kg falls from the top of a cliff 50 m high and buries...

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  16. A force of 1000 dynes acts on a particle of mass 500 g for 10seconds....

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  17. Calculate the power of a motor in kilo-watt ,which is capable of risin...

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  18. A pump lifts 20 kg of water in one minute to a vertical height of 30m....

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  19. Two bodies having masses 1g and 4g are moving with equal K.E find the ...

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  20. A 200 g ball falls from rest through air. If its speed is 10 m/s after...

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