Your car has 14 in rims with a tire thickness 4 inches. If you drive 45 miles per hour how fast is the tire spinning in revolution per seconds? (r=11)

Question

Your car has 14 in rims with a tire thickness 4 inches. If you drive 45 miles per hour how fast is the tire spinning in revolution per seconds?  (r=11)

bobo-i-bo · Answer

So to answer the question, you need to first be able to answer these:
1. So what is the radius from the centre of each tire to the edge of the tire?
2. If someone travels at 45 miles every hour, how far do they travel every second?

aliqanber · Answer

sorry, I don't live in the US, I use the metric system... heard of that?