Two runners start simultaneously from the same point on a circular 200-m track a

Question

Two runners start simultaneously from the same point on a circular 200-m track and run in the same direction. One runs at a constant speed of 6.20 and the other runs at a constant speed of 5.50 . Can some one please explain part b and d.
a)When will the fast one first overtake ("lap") the slower one?---286 s
b)How far from the starting point will each have run at that instant?
c)When will the fast one overtake the slower one for the second time?---571 s
d)How far from the starting point will they be at that instant?

Explanation / Answer

b) 1st one = v*t = 6.2*286 = 1773.2m 2nd one = v*t =5.5*286 =1573m

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