Fundamentholfundamenthol
JEE Main2019Physics
Q.

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 v1 and v2, respectively. The values of v1 and v2 are nearly :



  1. A

    3.2 m/s and 12.6 m/s

  2. B

    3.2 m/s and 6.3 m/s

  3. C

    6.5 m/s and 3.2 m/s

  4. D

    6.5 m/s and 6.3 m/s

Solution

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