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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A particle of mass 5 kg is moving with a uniform speed in the plane along the line . The magnitude of the angular momentum of the particle about the origin is

Answer: (B)

Solution

Differentiating : . With and : . At the instant , , so and $Missing argument for \vec\vec v =

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Question ID VK-157909