Help with physics

1. Oct 19, 2004

tman

A weight attached to a wire is swung in a circular path. Its speed is 12 meters/sec and it has a centripetal acceleration of 9 meters/sec2. Calculate the diameter of the circle.

__________meters

2. Oct 19, 2004

Pyrrhus

Use

$$A_{c} = \frac{v^2}{r}$$

3. Oct 19, 2004

Ba

The diameter is twice the radius what is the formula of centripetal acceleration.

4. Oct 20, 2004

tman

got the answer

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