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| bio | website | scholarpedia.org/article/… |
|---|---|---|
| location | Arizona | |
| age | 45 | |
| visits | member for | 8 months |
| seen | 15 hours ago | |
| stats | profile views | 12 |
Author of the Wikipedia pages Kepler's Equation, and Radial Trajectory. Assistant editor at Scholarpedia.
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May 6 |
comment |
Can this gravitational field differential equation be solved, or does it not show what I intended? The correct differential equation is: $ - \frac{G M m}{r^2} = \mu \ddot r $ where $ \mu = \frac{M m}{M+m} $ is the reduced mass. |
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May 1 |
comment |
Can this gravitational field differential equation be solved, or does it not show what I intended? The correct equation is: $$ - \frac{G M m}{r^2} = \frac{M}{M+m} m \ddot r $$ |
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Mar 30 |
comment |
Are constant numbers (rank-0 tensors that are fixed) considered as symmetric tensors? The Kronecker delta is a rank 2 tensor. |
