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A satellite of mass Ms orbits the Earth (with mass Mg and radius Re) with a velocity V and altitude h. The gravitational force Fg and the centripetal force Fc are given. 1. Find an equation for the kinetic energy of a satellite with an altitude h. 2. Based on the kinetic energy how much liquid hydrogen is at least needed to bring a small 1 kg satellite in an orbit of 400km (use literature to find Me,Re,G |
| Answer» TION:this a SIMPLE QUESTION but the question is little bit tricky | |