(Answered) An undiscovered planet many light-years from earth has one

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An undiscovered planet, many light-years from Earth, has one moon which has a nearly circular periodic orbit. If the distance from the center of the moon to the surface of the planet is 2.19500 × 105 km and the planet has a radius of 3.650 × 103 km and a mass of 5.05 × 1022 kg, how long (in days) does it take the moon to make one revolution around the planet. The gravitational constant is 6.67 × 10-11 N·m2/kg2.

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