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A body can have...

A body can have

A

changing momentum and finite kinetic energy

B

zero kinetic energy and finite momentum

C

zero acceleration and increasing kinetic energy

D

finite acceleration and zero kinetic energy

Text Solution

Verified by Experts

The correct Answer is:
A
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NARAYNA-WORK POWER AND ENERGY-C.U.Q-Key
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  2. Two bodies of masses m(1) and m(2) have equal KE. Their momenta is in...

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  3. A body can have

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  4. A rock of mass m is dropped to the ground from a height h. A second ro...

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  5. These diagrams represent the potential energy U of a diatomic molecule...

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  6. Two springs have their force constants K(1) and K(2) and they are stre...

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  7. Two spring have their force constants K(1) and K(2)(K(2) gt K(1)). Whe...

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  8. A lorry and a car moving with the same KE are brought to rest by apply...

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  9. A shell is fired into ait at an angle theta with the horizontal form t...

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  10. A cricket ball and a ping-pong ball are dropped. When they vacuum cham...

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  11. A cyclist free-wheels from the top of a hill, gathers speed going down...

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  12. If 'E' represents total mechanical energy of a system while 'U' repres...

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  13. For a body thrown vertically upwards, its direction of motion changes ...

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  14. Internal forces can change

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  15. The negative of the work done by the conserative internal forces on a ...

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  16. Which of the following statements is wrong ?

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  17. When a body falls from an aeroplane there is increase in its :

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  18. A body is moved along a straight line by a machine delivering constant...

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  19. A particle is projected at t = 0 from a point on the ground with cert...

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  20. A body starts from rest and acquires velocity V in time T. The instant...

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