Athlete completes one round a circular track of diameter 2oo in 40 second what will be distance covered and displacement at the end of 2 minutes 20 second
Answers
distance covered in 1 round= circumference of the circle circumference of the circle= 2piR Diametre=200m radius=100m distance covered in 1round =2*22/7*100=628.57 distance covered in 1sec=628.7/40=15.71 2min20sec=140sec distance covered in 140sec=15.7*140=2199.4