# Homework Help: Centripital Acceleration

1. Sep 26, 2005

### amcavoy

Could someone tell me how this equation was derived or where it came from:

$$a_c=\frac{{v_t}^2}{r}$$

This isn't a homework question, but it seemed better to put it in this section (I apologize if it's in the wrong section).

Last edited: Sep 26, 2005
2. Sep 26, 2005

### FredGarvin

Last edited by a moderator: Apr 21, 2017