Question

An athlete completes one round of a circular track of diameter 200 metre in 40 second what will be the distance covered and the displacement at the end of 2 minutes 20 seconds

Answer 1

Answer:

diameter=200,radius is 100

time is 40s ,for 1 round is 628m

for time 2min 20s=140sec

for40 —628m

140 —x

then x is 140/40×628 =x

so, xis 2198