JEE MainPhysicsCenter of MassMCQ+4 / −1
Two particles, of masses M and 2M, moving, as shown, with speeds of 10 m/s and 5 m/s, collide elastically at the origin. After the collision, they move along the indicated directions with speeds u1 and u2, respectively. The values of u1 and u2 are nearly : 
- A6.5 m/s and 3.2 m/s
- B6.5 m/s and 6.3 m/s
- C3.2 m/s and 6.3 m/s
- D3.2 m/s and 12.6 m/s
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