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Synchronous or "stationary" communications satellites are put into an
orbit whose radius is \( r = 4.23 \times 10^7 \) m.
The orbit is in the plane of the equator, and two adjacent satellites have
an angular separation of \( \theta = 2.00^\circ \).
Find the arc length
\( s \) (see the drawing) that separates the satellites.
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