# Review for Test

1. Mar 16, 2004

### celect

I can't find formula for determing the number of rotations a wheel makes in one minute.

Diameter = 26"
Traveling at 20 feet per second.
is there a formula for RPM?

Also need the formula to determine angular velocity.

thanks

2. Mar 16, 2004

### burak_ilhan

Angular velocity W=V/R. You'll solve the given question after finding angular velocity