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Give me the mathematical answers 2. A moon orbits the planet Vulcan traveling at 7.40 km/s with an orbital radius of 1.12 x 10 m.

Give me the mathematical answers

2. A moon orbits the planet Vulcan traveling at 7.40 km/s with an orbital radius of 1.12 x 10 m. (A) What is the mass of the planet Vulcan? [5 Marks] (B) What is the gravitational field strength of Vulcan acting on its moon? (C) If the mass of Vulcan's moon is 1.18 x x1015 kg, what gravitational force acts on it? 3. Mars orbits the Sun in a circular orbit of radius 2.28 x 1013 m. (A) Calculate the speed of Mars as it orbits the Sun. [4 Marks] (B) How long does it take for Mars to complete one revolution of the Sun in years

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