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A ball of mass m moving with velocity v ...

A ball of mass m moving with velocity v collides head on elastically with another identical ball moving with velocity - V. After collision

A

Both the balls come to rest

B

One ball comes to rest and other ball travels back with velocity 2v.

C

Both balls move at right angles to their respective original directions of motion

D

Both balls move at an angle of `pi` to their respective original direction of motion

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  • A ball of mass M moving with a velocity v collides perfectly inelastically with another ball of same mass but moving with a velocity v in the opposite direction. After collision

    A
    both the balls come to rest
    B
    the velocities are exchanged between the two balls
    C
    both of them move at right angles to the original line of motion
    D
    one ball comes to rest and another ball travels back with velocity `2v`

  • A ball of mass m moving with velocity v collides elastically with another ball of identical mass coming from the opposite direction with velocity 2v. Their velocities after collisions are-

    A
    `-v, 2v`
    B
    `-2v, v`
    C
    `v, -2v`
    D
    `2v, -v`

  • A ball of mass m moving with velocity V , makes a head on elastic collision with a ball of the same moving with velocity 2 V towards it. Taking direction of V as positive velocities of the two balls after collision are.

    A
    `- V and 2 V`
    B
    `2 V and - V`
    C
    `V and - 2 V`
    D
    `- 2 v and V`

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