AP Physics B equation sheet?

Test Preparation
1

<p>does anyone know if the AP Physics B equation sheet contains densities of metals/alloys, because this question seems to require me to know the density of brass, and I lost my equation sheet!!</p>

2

<p><a href=“College Board - SAT, AP, College Search and Admission Tools”>College Board - SAT, AP, College Search and Admission Tools;

3

<p>thanks…</p>

4

<p>does anyone know how to do this problem</p>

<p>One end of a wire is attached to a ceiling, and a solid brass ball is tied to the lower end. The tension in the wire is 120 N. What is the radius of the ball?</p>