Homework Help: Physics

Posted by Maggie on Tuesday, October 30, 2012 at 5:54pm.

A star rotates in a circular orbit about the center of its galaxy. The radius of the orbit is 6.2 x 1020 m, and the angular speed of the star is 4.3 x 10-15 rad/s. How long (in years) does it take for the star to make one revolution around the center?

Physics - Elena, Wednesday, October 31, 2012 at 8:15am
T=2π/ω

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