A star has a mass of 2.42 x 1030 kg and is moving in a circular orbit about the center of its galaxy. The radius of the orbit is 1.5 x 104 light-years (1 light-year = 9.5 x 1015 m), and the angular speed of the star is 1.8 x 10-15 rad/s. (a) Determine the tangential speed of the star. (b) What is the magnitude of the net force that acts on the star to keep it moving around the center of the galaxy?
A star has a mass of 2.42 x 1030 kg and is moving in a circular orbit about the center of its galaxy. The radius of the orbit is 1.5 x 104 light-years (1 light-year = 9.5 x 1015 m), and the angular speed of the star is 1.8 x 10-15 rad/s. (a) Determine the tangential speed of the star. (b) What is the magnitude of the net force that acts on the star to keep it moving around the center of the galaxy?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter11: Gravity, Planetary Orbits, And The Hydrogen Atom
Section: Chapter Questions
Problem 14P: Two planets X and Y travel counterclockwise in circular orbits about a star as shown in Figure...
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A star has a mass of 2.42 x 1030 kg and is moving in a circular orbit about the center of its galaxy. The radius of the orbit is 1.5 x 104 light-years (1 light-year = 9.5 x 1015 m), and the angular speed of the star is 1.8 x 10-15 rad/s. (a) Determine the tangential speed of the star. (b) What is the magnitude of the net force that acts on the star to keep it moving around the center of the galaxy?
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