Question

a boy is cycling such that the wheels of the cycle are making 140 revolutions per hour. if the diameter of the wheel is 60 cm,calculate the speed in km/h with which the boy is cycling

Answer 1

Answer:

Step-by-step

Distance covered =2πr =2×3.14×30/1000= 188.40/1000 =0.1884

So

Speed = Distance /time

=0.18840/1 =0.1884