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Consider a rubber ball freely falling fr...

Consider a rubber ball freely falling from a height h = 4.9 m on a horizontal elastic plate. Assume that the duration of collision is negligible and the collision with the plate is totally elastic. Then the velocity as a function of time and the height as a function of time will be:

A

B

C

D

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • A ball after freely falling from a height of 4.9m strikes a horizontal plane. If the coefficient of restitution is 3/4 , the ball will strike second time with the plane after

    A
    `1/2s`
    B
    `1s`
    C
    `3/2s`
    D
    `3/4s`

  • A plastic ball falling from a height 4.9 m rebounds number of times. If total time for second collision is 2.4 sec , then coefficient of restitution is

    A
    `0.3`
    B
    `0.4`
    C
    `0.7`
    D
    `0.6`

  • A ball starts falling freely from a height h from a point on the inclined plane forming an angle alpha with the horizontal as shown. After collision with the incline it rebounds elastically off the plane. Then it again strikes the incline at

    A
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    B
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    C
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    D
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