5. (15 points) A satellite with a mass of 80kg is in a circular orbit around the Moon. The satellite is a distance of 5.0 x 105 m above the surface of the Moon. (MMOON = 7.4 x 1022 kg, RMOON = 1.7 x 106 m) a. What is the magnitude of the gravitational force exerted by the Moon on the satellite? b. What is the speed of the satellite in its orbit? c. How long does it take the satellite to complete one orbit around the Moon?