Question

A car moving with a constant speed of 10 m/s cover 2 rounds of a circulartrack in the 10 s . Find the radius of circulation track

Answer 1

V=10m/s

T=10s

S=2×perimeter of a circle = 2×2πr=4πr

S=V×T=10×10=100m

4πr=100m

4×22/7×r=100

r=7.95m