7 particles

Score: 2 Points

The circle of radius $10m$ has been turned into a regular polygon of 7 sides. There is 1 particle at each corner of the polygon. At time t=0, the particles start moving so that at every instant the direction of velocity is towards the particle next to it with magnitude $|v|=10m/s$. At what time do they meet.



Tried 38

Solved 11

First Solve @Sifaat

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