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Question: Answered & Verified by Expert
A mass 3m, initially at rest at the origin explodes into three fragments of equal mass. Two of the fragments have speed v each and move perpendicular to each other. The third fragment will move with a speed
PhysicsCenter of Mass Momentum and CollisionNEET
Options:
  • A v2
  • B v2
  • C v
  • D v2
Solution:
1492 Upvotes Verified Answer
The correct answer is: v2
From law of conservation of momentum



net moment of the of the first  two particles moving with velocities v is  = 2 v

From the conservation of linear momentum momentum of the third particle must be 12 v

to make resultant of momentum due to all three particles zero

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