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Two particles, one with constant velocit...

Two particles, one with constant velocity 50 m/s and the other with uniform acceleration `10 m//s^(2)` start moving simultaneously from the same place in the same direction. They will be at a distance of 125m from each other after:

A

5 sec.

B

`5(1+sqrt(2)) sec`

C

10 sec

D

`10(sqrt(2)+1)` sec

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The correct Answer is:
A
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