- #1

toxsic

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## Homework Statement

Two bicycle tires are set rolling with the same initial speed of 3.30 m/s along a long, straight road, and the distance each travels before its speed is reduced by half is measured. One tire is inflated to a pressure of 40 psi and goes 18.6 m; the other is at 105 psi and goes 93.5 m. Assume that the net horizontal force is due to rolling friction only.

What is the coefficient of rolling friction mu_r for the tire under low pressure?

## Homework Equations

## The Attempt at a Solution

Honestly, I have no idea where to begin. The professor has never explained anything like it and this is a first. It's on mastering physics and it's well above my head