Homework Statement
I am trying to show that as the alpha particle is being scattered, the angular momentum magnitude at point M is m r^2 \frac{d \phi}{dt}.
Diagram:
Homework Equations
Linear Momentum: ##\vec L = \vec r \times \vec p ##
Repulsive Coulomb Force: ##\vec F = \frac{k 2Ze^2}{r^2}...
Homework Statement
I know what a limit is and I understand the idea behind it, but I am misunderstanding something in the formal definition of a limit.
DEFINITION
Let f(x) be defined on an open interval about x0, except possibly at x itself. We say that the limit of f(x) as x approaches...