Physics - Mechanics
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A satellite of mass 205 kg is launched from a site on the Earth's Equator into an orbit at 175 km above the surface of Earth.
(a) If the orbit is circular, what is the orbital period of this satellite?
s
(b) What is the satellite's speed in orbit?
m/s
(c) What is the minimum energy necessary to place this satellite in orbit, assuming no air friction?
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The expert examines classical mechanics. A complete, neat and step-by-step solution is provided.
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m = 205 kg. h = 175 x 10^3 m = 0.175 x 10^6 m.
First we find the orbital velocity, V.
V = sqrt[GM/(R + h) = sqrt[6.672 ...
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