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A ball collides perpendicularly with a v...

A ball collides perpendicularly with a vertical wall with speed v, and rebounds with speed v, as shown in the figure. If` v_1 > v_2`then coefficient of restitution(e) is

A

1

B

Zero

C

`0'lt e lt 1`

D

`e lt 1`

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Knowledge Check

  • A ball of mass m collides with a wall with speed v and rebounds on the same line with the same speed. If the mass of the wall is taken as infinite, then the work done by the ball on the wall is

    A
    `mv^2`
    B
    `1/2mv^2`
    C
    `2mv`
    D
    zero

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