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The coefficient of restitution e for a p...

The coefficient of restitution e for a perfectly elastic collision is

A

0

B

`-1`

C

1

D

`oo`

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The correct Answer is:
C
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The cofficient of restitution e for a perfectly elastic collision is

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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 ?

AAKASH INSTITUTE-WORK, ENERGY AND POWER-Assignment (SECTION - C)
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  5. A ball of mass2 kg and another of mass 4 kg are dropped together from ...

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  6. A mass of 0.5 kg moving with a speed of 1.5 m//s on a horizontal smoot...

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  7. One coolie takes 1min to raise a box through a height of 2m. Another o...

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  9. As shown in figure, a particle of mass m is performing vertical circul...

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  11. A stone is tied to a string of length l and is whirled in a vertical c...

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  12. The potential energy between two atoms in a molecule is given by U(x)=...

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

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  15. Two identical balls A and B having velocity of 0.5 m//s and -0.3 m//s ...

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  16. A body of mass m moving with velocity 3km//h collides with a body of m...

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  17. A rubber ball is dropped from a height of 5m on a plane, where the acc...

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  19. A metal ball of mass 2 kg moving with speed of 36 Km//h has a collisio...

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