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The coefficient of restitution e for a p...

The coefficient of restitution e for a perfectly elastic collision is

A

1

B

zero

C

infinite

D

-1

Text Solution

Verified by Experts

The correct Answer is:
a
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Knowledge Check

  • The coefficient of restitution for a perfectly elastic collision is

    A
    1
    B
    zero
    C
    `oo`
    D
    none of these

  • The coefficient of restitution e for a perfectly inelastic collision is

    A
    1
    B
    0
    C
    `oo`
    D
    `-1`

  • For perfectly elastic collision

    A
    `v_(2)-v_(1)=u_(2)-u_(1)`
    B
    `v_(1)-v_(2)=u_(1)-u_(2)`
    C
    `v_(2)-v_(1)=u_(1)-u_(2)`
    D
    `v_(2)-v_(1)=(u_(1)+u_(2))/(2)`

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    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 ?

    In perfectly elastic collision

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    In perfectly inelastic collision

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