- #1

mawalker

- 53

- 0

## Homework Statement

A car tire is 65.0 cm in diameter. The car is traveling at a speed of 20.0 m/s .

What is the tire's rotation frequency, in rpm?

What is the speed of a point at the top edge of the tire?

What is the speed of a point at the bottom edge of the tire?

## Homework Equations

i've looked through my book and I'm not even sure what equations to use here.

## The Attempt at a Solution

i tried taking 65(20^2) to get rpm and came up with 26000