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A particle P moving with speed v undergo...

A particle P moving with speed v undergoes a head -on elastic collision with another particle Q of identical mass but at rest. After the collision the collision

A

Both P and Q move forward with speed `(v)/(2)`

B

Both P and Q move forward with speed `(v)/(sqrt(2))`

C

P comes to rest and Q moves forward with speed v

D

P and Q move in opposite directions with speed `(v)/(sqrt(2))`

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The correct Answer is:
C
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