- #1
Philowns
- 3
- 0
Homework Statement
Orbital angular momentum L is given by L = mr x v
Linear and angular velocity are related by the eqn. v=w x r
Solve for L in terms of m, r, and w.
Homework Equations
I was thinking of using Lagrange's formula. A x (B x C) = B(A*C)-C(A*B)
The Attempt at a Solution
well I substituted for v first:
(L/m) = r x (w x r)
= w(r*r) - r(r*w)
I'm guessing that could be simplified, but I don't know how.
L = m[wr^2- r(r*w)] is the best I got.