Question

an athlete complete one round of a circular track of diameter 200 m in 40 s. what will be the distance covered and the displacement at end of 2 minutes 20 s? ...



please solve it

Answer 1

The athelete complete the round in one sec = 200
$\div$
40 m= 5 m
The athelete covers in 2 min 20 sec = 1 min = 60 sec = 2
$\times$
60
$+$
20 = 140 sec

5
$\times$
140 = 700 m