A 1 046-kg satellite orbits the Earth at a constant altitude of 101-km. (a) How

Question

A 1 046-kg satellite orbits the Earth at a constant altitude of 101-km. (a) How much energy must be added to the system to move the satellite into a circular orbit with altitude 194 km? How is the total energy of an object in circular orbit related to the potential energy? MJ (b) What is the change in the system's kinetic energy? Is the satellite moving faster or slower when it's orbit is at a higher altitude? MJ (c) What is the change in the system's potential energy? You appear to have correctly calculated the change in potential energy using your incorrect result from parts (a) and (b). MJ

Explanation / Answer

conservatoin of energy E + GMm/(6370+194) = + GMm/(6370+101) E = 9.17 * 10^8 J = 917 MJ

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