All Questions
4
questions
1
vote
1
answer
203
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Bertrands theorem, Hooke's law and closed orbit [closed]
Bertrand's Theorem says: the only forces whose bounded orbits imply closed orbits are the Hooke's law and the attractive inverse square force.
I'm looking at the Hooke's law $f=-k r$ and try to see ...
- 1,270
1
vote
0
answers
69
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Time taken to collide [duplicate]
Two point masses m1 and m2, separated initially by distance d, move towards each other under mutual gravitational force.
Find the time they take to collide?
The main problem I'm having is to solve the ...
-2
votes
1
answer
115
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Spirals in newtonian celestial mechanics?
I know Kepler's laws, Newton's laws, and that conic sections are the trajectories of noncolliding two point masses. But I wonder about a point mass A eventually colliding with point mass B.
In ...
- 926
0
votes
1
answer
247
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Problem: Spectroscopy of a binary system
The Problem is:
For a binary system (2 Stars) with Orbital Period of $P =4.822 days = 416620.8 second$ and inclination $i=90$ and with speeds very less than $3 .10^8 m/s$. Their orbital planes around ...
- 115