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Two spheres of masses 3kg and 2kg collide directly. Their relative velocity before collision is 15 m/s and after collision is 5 m/s. The total loss of K.E. due to collision is-?

Two spheres of masses 3kg and 2kg collide directly. Their relative velocity before collision is 15 m/s and after collision is 5 m/s. The total loss of K.E. due to collision is-?

Grade:11

1 Answers

Sumit Majumdar IIT Delhi
askIITians Faculty 137 Points
7 years ago
Dear student,
Use the following steps to solve the problem:
  • There is a conservation of momentum.
  • The bodies change their direction after collision.
  • Thre is a loss in energy and so the final energy is less than the initial velocity.
Using this, there would be three equations, which need to be solved to get the loss in energy.
Regards
Sumit

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