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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

Consider an elastic collision of a particle of mass m moving with velocity u with another particle of the same mass at rest. After the collision, the projectile and the struck particle move in directions making angles θ₁ and θ₂ respectively with the initial direction of motion. The sum of the angles θ₁ + θ₂ is

Answer: (B)

Solution

For an elastic collision between equal masses, with one initially at rest, the two particles

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Question ID VK-153653