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The acceleration of gravity is 9 m/s² at the surface of a planet of radius R=10°m. A satellite is to be
launched from this planet into a circular orbit of radius 4R. (Probs. 8&9)
8. Find a value for the speed of this satellite when it is in this orbit.
9. Find the value of the initial velocity vo at which this satellite must be launched from the surface of
the planet so that it reaches this orbit.

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