
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Question
Binary Star System
Astronomers discover a binary star system with a period of 90 days, separated by a distance
d. Both stars have a mass M that is twice that of the Sun.
Problem 3.1. Draw a diagram of the problem, showing the forces on the stars and their
orbital motions.
Problem 3.2. What is the equation for the gravitational force of Star 1 on Star 2 (F1on2)
and the equation for the force of Star 2 on Star 1 (F2on1), with respect to their orbital radius
r?
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