JEE Main 2019 Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main 2019

A particle of mass m is moving in a straight line with momentum p. Starting at time t = 0, a force F = kt acts in the same direction on the moving particle during time interval T so that its momentum changes from p to 3p. Here k is a constant. The value of T is:

Answer: (B)

Solution

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Question ID VK-010397