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## Homework Statement

Two wires are tied to the 200 g sphere shown in figure. The sphere revolves in a horiIzontal circle at a constant speed of 6.80 m/s.

http://img684.imageshack.us/img684/6537/knightfigure0761.jpg [Broken]

## Homework Equations

Ca=m*v^2/r

f=ma

## The Attempt at a Solution

I was able to find the radius using triangles, and with that

I know the centrifical acceleration is .200*6.8^2/.866=10.679

But i have no idea where to go from here

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