Two perfectly elastic particles P and Q of equal mass traveling along the line joining them with velocities 15 m/s and 10 m/s. After collision, their velocities respectively in m/sec will be

Options :
  1. 15,10
  2. 5,20
  3. 10,15
  4. None of the above
Answer and Explanation :-

Answer: Option 3

Explanation:

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