When Do Four People Chasing Each Other on a Square Meet?

[Himal kharel]

Four people(K,L,M,N) are on four sides of a square having side of length 15m. K follows L. L follows M. M follows N. N follows K. they all have speed of 1 m/s. at what time they meet.


I don't know anything what to do.

 

[aim1732]

Have you heard about relative velocity?That can get you started.

 

[xlines]

Four people(K,L,M,N) are on four sides of a square having side of length 15m. K follows L. L follows M. M follows N. N follows K. they all have speed of 1 m/s. at what time they meet.


I don't know anything what to do.

7.5 s ?!