HEY! _______________a) TIME taken to complete 1 rounds = 20 s1 MINUTE 10 seconds = 70 secondsNumber of rounds that can be completed in 70 seconds = 70/20 = 3.5 roundsDistance travelled = circumference of circle = 2 pie rDiameter= 200Radius= 100Distance travelled = 2 *3.14*100*3.5 = 2198Displacement = Shortest distance travelled3 rounds = Displacement = 0 , as INITIAL and final point is same.Now, 0.5 = half round = diameter of ground = 200 mThus, displacement = 200 m.
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