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Final Velocities

Three blocks ...

Question

Three blocks A, B and C each of mass m are placed on a surface as shown in the fig. Blocks B and C are initially at rest. Block A is moving to the right with speed V It collides with block B and sticks to it The A-B combination collides elastically with block C. Which of the following statements is(are) true about the velocity of block B and C

Velocity of the block C after collision is 2V/3 towards right

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Velocity of the A-B combination after collision is V/6 towards right

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Velocity of the A-B combination after collision is 2V/3 towards left

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Velocity of the block C after collision is 2V/c towards left

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Solution

The correct option is C Velocity of the A-B combination after collision is 2V/3 towards left
Option B

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