Question

Kinematics II 5.55
Three boys are running on a equitriangular track with the
same speed 5 ms!. At start, they were
at the three corners with velocity along
indicated directions. The velocity of
approach of any one of them towards
another at t = 10 s equals
(1) 7.5 ms
(2)10ms
(3) 5 ms
(4)0ms​

Answer 1

Answer:

5m/s

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for solution....

plz refer image...