Calculate the velocity needed for an object starting at the Earth's surface to just barely reach a satellite in a geosynchronous orbit. Ignore air drag and assume the object has a speed of zero when it reaches the satellite. (The orbital radius of a satellite in a geosynchronous orbit is 4.2 107 m.)
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make correction, The orbital radius of a satellite in a geosynchronous orbit is 4.2x10^7 m.)
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