Question 7 part 1 of 1 10 points A satellite moves in a circular orbit around the Earth at a speed of 5.3 km/s. Determine the satellite's altitude above the surface of the Earth. Assume the Earth is a homogeneous sphere of radius Rearth - 6370 km and mass Mearth - 5.98 x 1024 kg . You will need G = 6.67259 x 10 1 N m2/kg Answer in units of km. Question 8 part 1 of 1 10 points The following figure shows a Ferris wheel that rotates 3 times each minute and has a diameter of 17 m. The acceleration of gravity is 9.8 m/s. What force does the seat exert on a 54 kg rider at the lowest point of the ride? Answer in units of N