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Three identical blocks A, B and C are pl...

Three identical blocks A, B and C are placed on horizontal frictionless surface. The blocks B and C are at rest. But A is approaching towards B with a speed of `10 ms^(-1)`

The coefficient of restitution for all collision is 0.5. The speed of the block C just after collision is

A

`5.6ms^(-1)`

B

`6ms^(-1)`

C

`8ms^(-1)`

D

`10ms^(-1)`

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The correct Answer is:
A
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