# Answer on Mechanics | Relativity Question for keith

Question #11661

2 runners initially standing next to each other run away from each other with the speed,v and after 360m they are 360m apart. what is the velocity?

Expert's answer

The statement "after 360m they are 360m apart" is tautology, we'll appreciate it as a typo and understand as "after T seconds they are 360m apart". So,

2v·T = 360 ==> v = 360/(2T) = 180/T.

2v·T = 360 ==> v = 360/(2T) = 180/T.

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