Intermediate Mechanics:Central Force Motion

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Second coolest equation ever (T&M 8.21):
 
Second coolest equation ever (T&M 8.21):
  

Latest revision as of 22:06, 13 March 2006

Course Wikis > Physics Course Wikis > Intermediate Mechanics

Second coolest equation ever (T&M 8.21):

\frac{\partial u}{\partial \dot{\theta}} + u = -\frac{\mu r^2}{l^2}F(r)

u = \frac{1}{r}

Central Force Orbits


\frac{\alpha}{r} = 1 + \epsilon \cos \theta


\epsilon = \sqrt{1 + \frac{2 E L^2}{m K^2}}

Central Force Motion Orbits
ε value Orbit Type Energy Value
ε = 0 Circle
0 < ε < 1 Ellipse E < 0
ε = 1 Parabola E = 0
ε > 1 Hyperbola E > 0
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