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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

The maximum and minimum distances of a comet from the sun are m and m respectively. If the velocity of the comet nearest to the sun is ms⁻¹, what is the velocity in the farthest position? (assuming the paths of the comet in both instantaneous positions are circular, i.e. using angular momentum conservation about the sun)

Answer: (A)

Solution

Angular momentum conservation: :

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Question ID VK-158802