Derive an expression for the orbital velocity of an artificial satellite and hence derive its time period
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The orbital speed can be found using v = SQRT(G*M/R). The R value (radius of orbit) is the earth's radius plus the height above the earth - in this case, 6.59 x 106 m. Substituting and solving yields a speed of 7780 m/s. The orbital velocity of the satellite depends on its altitude above Earth
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