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JEE Main 2003 Physics question

PhysicsMotion in a PlaneJEE Main 2003

Two particles start simultaneously from the same point and move along two straight lines, one with uniform velocity and the other from rest with uniform acceleration . Let be the angle between their directions of motion. The relative velocity of the second particle w.r.t. the first is least after a time.

Answer: (1)

Solution

Relative velocity of the second w.r.t. the first is , so . Minimising:

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Question ID VK-038067