Question
On a circular path of 693 m, Sujata and Anjali start
walking from the same point but in opposite directions at speeds of 2.85 km/h and 1.5 m/sec, respectively. When they will meet for the first time?Solution
2.85 km/hr = 2.85 x (5/18) =0.79 m/s Relative speed = 0.79 + 1.5 = 2.29 m/s Time = Distance/relative speed Time 693/2.29 Time = 302.62 seconds Time = 5.04 minutes They will meet for the first time after 5.04 minutes.
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