Question

7. An athlete completes a round of a circular track of diameter 200 m in 20 s. Calculate a. The distance travelled by the athlete and b. The magnitude of the displacement of the athlete at the end of 1 minute and 10 seconds

Answer 1

A.If d=200m then r=100m
Circumference of the circular track = 2x22/7x100
=4400/7 m







B.220 m