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A light particle moving horizontally wit...

A light particle moving horizontally with a speed of `12 m//s` strikes a very heavy block moving in the same direction at `10 m//s`. The collision is one-dimensional and elastic. After the collision, the particle will

A

Move at `2m//s` in its original direction

B

Move at `8m//s` in its original direction

C

Move at `8m//s` opposite to its original direction

D

Move at `12 m//s` opposite to its original direction

Text Solution

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The correct Answer is:
B
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