Two particles, one with constant velocity 50 ms an

Question

Two particles, one with constant velocity 50 ms and the other with uniform acceleration 10 ms, starts moving simultaneously from

Arun · Accepted Answer

Dear Student

Your question is incomplete.

However I have written here a complete question and it's answer.

2 particles one with constant velocity of 50m/s and the other with uniform acceleration of 10m/s2 start moving simultaneously from the same place in the same direction.They will be at a distance of 125 m from each other afte

Solution-

We can do it by relative motion concepts. From frame of 1st particle, u21 = -50 and a21 = 10.
s21 = 125 = u21 t + 1/2 a21 t2 = -50t + 1/2 10 t2
=> 25 = -10t + t2
Solving: t = 5 + 5 sqrt(2) = 5 (1 + sqrt(2)) seconds

Regards

Arun (askIITians forum expert)

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