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The coefficient of restitution e for a p...

The coefficient of restitution e for a perfectly elastic collision is

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The cofficient of restitution e for a perfectly elastic collision is

For perfectly elastic collision

What is coefficient of restitution for a perfectly inelastic collision ?

Show that coefficient of restitution for one dimensional elastic collision is equal to one?

A collision in which there is absolutely no loss of K.E. is called an elastic collision. In such a collision, the linear momentum , total energy and kinetic energy, all are conserved.The coefficient of restitution // resilience of perfectly elastic collisions is unity. Read the above passage and answer the following questions : (i) When two bodies of equal masses undergo perfectly elastic collision in one dimension, what happens to their velocities ? (ii) How is this fact applied in a nuclear reactor ?

MODERN PUBLICATION-WORK, ENERGY AND POWER -Revision Exercise (Very Short Answer Questions)
  1. A spring of spring constant k is cut in three equal pieces. The spring...

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  2. When is KE of a planet revolving around the sun maximum?

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  3. If K.E of a body is made three times , how will the momentum change...

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  4. If the momentum of a body is made three times , how will the kineti...

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  5. A bullet gets embedded in a wooden block. Where does its KE go?

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  6. One horse power is equal to

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  7. What is the power ? Write its dimensional formula .

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  8. How can you say that friction is a non - conservative force ?

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  9. The work done by the centripetal force in quarter revolution would be,

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  10. Can we change K.E of a system without changing its momentum ?

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  11. What will happen to potential energy of a spring when it is compresse...

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  12. What wil happen to potential energy of a spring when it is streched ...

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  13. What changes in uniform circular motion , momentm or K.E ?

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  14. What is an elastic collision ?

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  15. Inelastic collision is the-

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  16. Which physical quantity is conserved in both, elastic and inelastic co...

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  17. In which collision , the two bodies stick together after collision ?

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  18. COEFFICIENT OF RESTITUTION

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  19. The coefficient of restitution e for a perfectly elastic collision is

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  20. What is coefficient of restitution for a perfectly inelastic collis...

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