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Name I (Spoints) What is the difference between G, and g 2 (10 points) You have a hole bored to the very center of the earth, (ignore the part about the core being molten iron and is very hot and the problems not being crushed by the enormous pressure), describe how acceleration of gravity & changes as start at the bottom of the hole at the very center of the earth, and move upwards to a point several earth diameters away. Calculate the acceleration due to gravity a At the center b Halfway to the surface c At the surface. d At I earth radii above the surface of the earth e At 3 earth radii above the surface of the earth Hint, be sure you are straight on the difference between altitude (distance above the Earth and radius, (the distance from the center of the Earth)
Physic 265 Test 3 Name 3 (5 points) Why do we not see tides in the Great lakes, like we see in the Ocean? 4 (10 points) A communications satellite is remains almost stationary approximately over Bogota, Columbia. It is more or less motionless relative to the city. What is it altitude above sea level? The radius of the earth is 6,378,100 meters Hint, be sure you are straight on the difference between altitude (distance above the Earth and radius, (the distance from the center of the Earth) 5 (10 points) You and that hot young person that you have been thinking about, are sitting on a couch, looking deeply into each other eyes. You have a mass of 80 kg while your friend has a mass of 60 Kg, a You are about 1 meter apart. What is the actual force between you. b What happens if you move in to only 0.5 meters apart.