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Two newly discovered planets follow circular orbits around a star in a distant part of the...

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Physics

Two newly discovered planets follow circular orbits around a starin a distant part of the galaxy. The orbital speeds of the planetsare determined to be 44.2 km/s and 57.5 km/s. The slower planet's orbital period is 7.50years.

(a) What is the mass of the star?
kg

(b) What is the orbital period of the faster planet, inyears?

Answer & Explanation Solved by verified expert
4.2 Ratings (727 Votes)
a Force of Gravity Fg Gm1m2r2 G is universal gravitational constant 667 x 1011 m1 m2 are the two masses that attract each other star and selected planet Fg is the attractive force between the two masses r is the    See Answer
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