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The momentum of a body is doubled. Its K...

The momentum of a body is doubled. Its K.E will

A

be doubled

B

be halved

C

increase four times

D

decrease four times

Text Solution

Verified by Experts

The correct Answer is:
C
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BINA LIBRARY-WORK,ENERGY AND POWER-EXERCISE
  1. If the momentum of a body increases by 50%,its K.E,increases by

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  2. A ball whoes K.E is K is projected at an angle 45° to the horizental.T...

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  3. A stationary particle explodes into two particle of masses m1 and m2 ...

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  4. Two bodies with K.E in ratio 4:1 are moving with equal linear momentum...

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  5. The P.E of a string when stretched by 2 cm is U.Its P.E when stretched...

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  6. A spring of force constant 800 N/m has an extension of 5 cm . The wor...

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  7. If water falls from a dam into a turbine wheel 19.6m below ,the veloc...

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  8. An elastic ball is dropped from a height to 100m.It lose s 20% of its ...

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  9. A ball dropped from a height og h.If the co-efficient of restitution b...

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  10. A ball of mass m moving with a constant velocity strikes against a ba...

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  11. Two particle of masses 1 g and 4g are moving with equal K.E. What is t...

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  12. A body of mass m is moved to a height to equal to the radius of earth....

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  13. The momentum of a body is doubled. Its K.E will

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  14. A wound spring has

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  15. The unit of energy is

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  16. If a force F is applied on a body and it moves with a velocity V ,the ...

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  17. If m is the mass and E the K.E of a body then its linear momenta is

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  18. The power of awater pump is 2 kw.If g=10ms^-1 the amount of water it c...

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  19. The P.E of a string when stretched by 2 cm is U.Its P.E when stretched...

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  20. A bullet hits and gets embedded in a solid block resting on a frictio...

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