Question

27. A car is travelling at 60 km/h. Its wheels (all of the
same size) make 1000 revolutions per minute. Find
the diameter of a wheel.
PLEASE SOMEONE ANSWER THIS QUESTION​

Answer 1

Answer:

Step-by-step explanation:

let 'd' be the diameter of the wheel of the car.  

Since the circumference of one wheel is equal to one revolution, we have

1 space revolution equals pi cross times d T h u s comma space 1000 space revolution space equals space 1000 pi d  

Since the speed of the car is 60 km/h, in one hour it travels 60 km.

That is, the car travels 1 km in one minute.

That is, the speed of the car is 1 km per minute.

In one minute the distance covered by the car = 1 km.

That is,