- #1
cheez
- 26
- 0
I totally don't know how to do the problem.
Is it related to conservation of angular momentum?
Does the angular velocity equal to 2pi/38 days?
thx!
Calculating New Period of a Collapsed Sun Using Conservation of Angular Momentum
- Thread starter cheez
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SUMMARY
The discussion centers on calculating the new period of a collapsed sun using the principle of conservation of angular momentum. Given a sun with an initial radius of 8.1 x 10^8 m and a period of 38 days, the new radius after collapse is 8.3 x 10^6 m. Participants confirm that the angular velocity is calculated as 2π/38 days, affirming the relationship between angular momentum and the new period post-collapse.
PREREQUISITES- Understanding of conservation of angular momentum
- Familiarity with the moment of inertia formula (I = 2/5mr^2)
- Basic knowledge of angular velocity calculations
- Concept of celestial mechanics and stellar evolution
- Study the derivation of angular momentum conservation in astrophysical contexts
- Learn about the implications of stellar collapse on angular velocity
- Explore the moment of inertia for different celestial bodies
- Investigate the effects of mass distribution on rotational dynamics
Astronomy students, astrophysicists, and anyone interested in the dynamics of stellar evolution and angular momentum conservation.
Is it related to conservation of angular momentum?
Does the angular velocity equal to 2pi/38 days?
thx!
- #2
Tide
Science Advisor
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Yes - to both questions! :)
- #3
cheez
- 26
- 0
thx, I get the answer now :)Tide said:
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