A, B and two in a circular track at the same time from the same places

A, B and two in a circular track at the same time from the same places

point reverse run. A known speed of 7 m / s, B

degree of speed 5 m / sec. Q. When the two first met at the starting point,

total number of times met?

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is the desire for a rate of speed of ring B of the common multiple length of the runway, to be among the public and multiple re-ran long, and then rounding

do not know to go the length of Mody? This two people from the equator began to run, it is estimated to death encounter may not be