Question

A cyclist moving on a circular track of radius 50m completes one revolution in 4min .what is the average speed
Steve
50*2pi/4 m/min
Henry
Circumference = pi*2r = 3.14*100 = 314 m

V=1rev/4min*314m/1rev1*1min/60s=1.31m/s

Siddhant
55/42 m/s
Correct ans only