JEE Main Physics question

Physics Systems of Particles and Rotational Motion JEE Main

A body at rest explodes into two equal parts. Then, [OJEE 2004]

(A)They move with different speeds in different directions
(B)They move with different speeds in the same direction
(C)They move with the same speed in the same direction
(D)They move with the same speed in opposite directionsCorrect

Answer: (D)

Solution

By momentum conservation (initially zero), the two equal-mass fragments

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Question ID VK-153657