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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

A particle is projected with velocity 200 ms at an angle of . At the highest point, it explodes into three particles of equal mass. One goes vertically upwards with a velocity of 100 ms, the second particle goes vertically downwards with velocity 100 ms. What is the velocity of the third particle?

Answer: (C)

Solution

At the highest point, velocity of the whole (mass ) is ms horizontal, so total momentum (horizontal), (vertical). The up- and down-going fragments (each mass ) carry

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Question ID VK-158040