Questions 1-5 Physics

1. Gravitational Field Theory Practice Find the gravitational field strength on the surface of the earth. 9. 8 IN/ Ky 2. Using your answer from #1 find the gravitational force acting on a 2500kg truck on the surface of earth. 2. 5x/0 3. Find the gravitational field strength of the earth on an airplane flying at 6390 km away from earth. 4. Using your answer from #3 find the gravitational force acting on a 38 500kg airplane flying at 6390 km away from earth. You are on a planet with a mass of 2.36 x 1021kg and a field strength of 2.15 N/kg, what 5 . is the radius of the planet