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A satellite is orbiting the Earth in a stable circular orbit at a height of 5,220...

A satellite is orbiting the Earth in a stable circular orbit at a height of 5,220 km above the surface of the Earth.

(a) What is the satellite's acceleration in this orbit?

(b) What is the satellite's orbital period?

(c) If the satellite has a mass of 6400 kg, how much work was needed ti out it in to this orbit, assuming it was initially at rest? Neglect the Earth's rotation and atmospheric resistance.

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