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(II) Suppose our Sun eventually collapses into a white

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli ISBN: 9780130606204 3

Solution for problem 63P Chapter 8

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 63P

Problem 63P

(II) Suppose our Sun eventually collapses into a white dwarf, losing about half its mass in the process, and winding up with a radius 1.0% of its existing radius. Assuming the lost mass carries away no angular momentum, (a) what would the Sun's new rotation rate be? Take the Sun's current period to be about 30 days, (b) What would be its final kinetic energy in terms of its initial kinetic energy of today?

Step-by-Step Solution:

Step-by-step solution

Step 1 of 4

The initial mass of the Sun is M and the Radius is R

The initial period of rotation  

After this time, the Sun collapses into a white dwarf.

The final mass of the Sun is anc Radius is 0.01R.

Final period of rotation

As no external force is applied, angular momentum of the Sun remains conserved.

Step 2 of 4

Chapter 8, Problem 63P is Solved
Step 3 of 4

Textbook: Physics: Principles with Applications
Edition: 6
Author: Douglas C. Giancoli
ISBN: 9780130606204

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(II) Suppose our Sun eventually collapses into a white