JEE Main Physics question
An isolated particle of mass is moving in a horizontal plane (-), along the -axis, at a certain height above the ground. It suddenly explodes into two fragments of masses and . An instant later, the smaller fragment is at cm. The larger fragment at this instant is at
Answer: (A)
Solution
Before the explosion, the particle has . By momentum (and hence CM) conservation for an isolated system, the CM of the two fragments continues to move
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