Physics-
General
Easy

Question

Three persons P comma Q and R of same mass travel with same speed u such that each one faces the other always. After how much time will they meet each other?

  1. d divided by u sec    
  2. 2 d divided by 3 u sec    
  3. 2 d divided by square root of left parenthesis 3 right parenthesis end root u sec    
  4. d divided by square root of 3 u end root sec    

The correct answer is: 2 d divided by 3 u sec

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