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Name a process in which momentum change ...

Name a process in which momentum change but K.E. does not

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The correct Answer is:
Uniform circular motion.
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FULL MARKS-WORK, ENERGY AND POWER-Additional Question Solved (II. Short Answer Questions)
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  2. Does the P.E. of the spring decreases or increases when it si compress...

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  3. Name a process in which momentum change but K.E. does not

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  4. What happens to the P.E. of a bobble when it rises in water ?

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  5. A body is moving at constant speed over a frictionaless surface. What ...

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  6. Define spring constant of a spring.

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  7. How much work is done by a coolise walking on a frontal plastikam vidi...

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  8. Mountain roads rarely go striaght up the slop, but wind up gradually. ...

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  9. A truck and a car moving with the same K.E. on a stright road. Their ...

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  10. Is in necessary that we does the motion of a body on a closed loop is ...

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  11. How high most a body be lifted to gain an amount of P.E. equal to K.E....

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  12. Give an example in which a force does work on a body but fails to chan...

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  13. A bob is pulled sideway so that string becomes parallel to horizontal ...

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  14. Two spring A and B are idential except that A is harder than B (k(A)g...

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  15. Find the work done if a particle moves from position r(1)="to a positi...

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  16. Spring A and B are identical except that A is stiffer than B, i.e., Fo...

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  17. A ball at rest is dropped from a height of 12m. It loses 25% of its ki...

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  18. Which of the two kilowatt hour or electron volt is a bigger unit of en...

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  19. A spring of force constant k is cut info two pieces such that one piec...

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  20. A car of mass 2000 kg is lifted up a distance of 30 m by a crane in 1 ...

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