Home Physics Center of Mass NEET Previous Year Question A particle of mass at rest suddenly breaks …
Physics Center of Mass NEET Previous Year Question MCQ (Single Correct)

A particle of mass at rest suddenly breaks on its own into three fragments. Two fragments of mass , each move along mutually perpendicular direction with each speed . The energy released during the process is [NEET 2019]

A
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D

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The correct answer is:
D

The particle of mass 5 m breaks in three fragments of mass and , respectively. Two

fragments of mass each, move in perpendicular direction with velocity and the left fragment will move in a direction with velocity such that the total momentum of the system must remain conserved.

By law of conservation of momentum,

Energy released,

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