(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A ball with mass m and velocity v goes on a path tangent to a disk with radius R and a mass of M. There is a completely inelastic collision at the outer rim of the disk, and the entire system begins to spin around the axis. What was the final angular speed of the system?

2. Relevant equations

Conservation of Angular Momentum: I w = I[tex]_{F}[/tex] w[tex]_{F}[/tex]

Conservation of Momentum: m[tex]_{a}[/tex]v[tex]_{a}[/tex] + m[tex]_{b}[/tex]v[tex]_{b}[/tex] = m'[tex]_{a}[/tex]v'[tex]_{a}[/tex] + m'[tex]_{b}[/tex]v'[tex]_{b}[/tex]

Speed: w^2 = w + 2a[tex]\vartheta[/tex]

3. The attempt at a solution

Since it's inelastic, I'm not really sure if i should be using angular or regular momentum. If someone could just point me in the right direction, i'm sure i coul figure out the rest of it.

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# Homework Help: Angular velocity of a disk

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