Question

The radius of the wheel of a vehicle is 70cm the wheel makes 10 revolutions in 5 secondseconds the speed of the vehicle is

Answer 1

perimeter = 2*22/7*r

r = 70cm = 0.7m

perimeter = 4.4m

speed = distance/time

total distance = no. of rev * perimeter

= 44/5

8.8m/s