Two particles start moving from point A ...

Two particles start moving from point A along a straight line AB at the same time in the same direction. One particle moves with a uniform velocity of 12 `"m.s"^(-1)` and the other with an acceleration of 2 `"m.s"^(-2)` and an initial velocity of 5 `"m.s"^(-1)`. After how much time will the two particles meet ?

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The correct Answer is:

7 s

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