17. Periodic Motion
Spring Force (Hooke's Law)
6:07 minutes
Problem 13n
Textbook Question
Textbook QuestionTwo stars, one twice as massive as the other, are 1.0 light year (ly) apart. One light year is the distance light travels in one year at the speed of light, 3.00 ✕ 10⁸ m/s . The gravitational potential energy of this double-star system is ─8.0 ✕ 10³⁴ J. What is the mass of the lighter star?
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