8. Centripetal Forces & Gravitation
Kepler's Third Law
7:35 minutes
Problem 6.51
Textbook Question
Textbook Question(II) A science fiction writer imagines a planet that has three times the mass of the Earth orbiting a star that has twice the mass of our Sun. The writer wants the planet’s “year” to be 10% longer than Earth’s orbital period. At what mean distance should she place the planet from its star?
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