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A body of mass 100 gm moving with an ini...

A body of mass 100 gm moving with an initial velocity of `4ms^(-1)` collides with another body of mass 150 gm moving in opposite direction with velocity `6 ms^(-1)`. If the collision is perfectly inelastic, then after the collision,

A

the two bodies inter change their velocities

B

the two bodies combine and move with a common velocity of `2 ms^(-1)` in the initial direction of lighter body

C

the two bodies combine and move with a common velocity of `5.2 ms^(-1)` in the initial direction of heavier body

D

the wo bodies combine and move with a common velocity of `2ms^(-1)` in the initial direction of heavier body

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • A body mass 100gm moving with an initial velocity of 4ms^(-1) collides with another body of mass 150gm moving in opposite direction with velocity 6ms^(-1) . If the collision is perfectly inelastic, then after the collision.

    A
    the two bodies inter change their velocities
    B
    the two bodies combine and move with a common velocity of `2ms^(-1)` in the initial direction of lighter body
    C
    the two bodies combine and move with a common velocity of `5.2 ms^(-1)` in the initial direction of heavier body
    D
    the two bodies combine and move with a common velocity of `2ms^(-1)` in the initial direction of heavier body

  • A body of mass 10gm moving with velocity 5ms^(-1) collides with another body of mass 15gm moving with 3ms^(-1) in the same direction. After collision if they stick and move together, the loss of kinetic energy of the system is

    A
    12J
    B
    `12 xx 10^(-3)J`
    C
    `24 xx 10^(-3)J`
    D
    `192 xx 10^(-3)J`

  • A body of mass 10 gm moving the velocity 5ms^(-1) collides with another body of mass 15gm moving with 3ms^(-1) in the same direction. After collision if they stick and move together, the loss of kinetic energy of the system is

    A
    12 J
    B
    `12 xx 10^(-3)J`
    C
    `24 xx 10^(-3)J`
    D
    `192 xx 10^(-3)J`

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