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Astronomical observations of an extrasolar planet indicate that it has a mass of 3.25 × 1025...

Astronomical observations of an extrasolar planet indicate that it has a mass of 3.25 × 1025 kg and orbits a star at a distance of 1.50 × 108 km. The star has a mass of 5.70 × 1029 kg. You may assume a circular orbit. What is the planet's orbital period in Earth years? Use 1 year = 365 days. What is the planet's orbital speed in km/s?

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