Question

The radius of a car wheel is 35 cm. if the car is travelling 90km/h find the number of revolutions of circular track giving you answer in meters and correct to decimal place


Please give step by step explanation

Answer 1

Step-by-step explanation:

the radius of the wheel is 0.35 m

speed of the car is 90 * 5/18 = 25 m/s

now

number of revolution is speed / circumference

no. of revolutions = 25 / 2 * 3.14 * 0.35

thus = 11.37 is the number of revolutions