A 400-kg satellite was placed in a circular orbit 1500 km above the surface of the earth. At this elevation the acceleration of gravity is 6.43 m/s. Detemine the kinetic energy of the satellite, knowing that its orbital speed is 25.6x10 km/h.
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- You fly from Boston’s Logan Airport, at sea level, to Denver, altitude 1.6 km. Taking your mass as 65 kg and the zero of potential energy at Boston, what’s your gravitational potential energy (a) at the plane’s 11-km cruising altitude and (b) in Denver? I’ve completed the question and want to compare to see if it’s correctShow that the gravitational potential energy of an object of mass at height on Earth is given by PEg = mgh.What would be Tom´s gravitational potential energy at the roof of the empire state building if it has an altitude of 1250 feet (380 meters) and his weight is equal to 600N?.
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