Suppose that, while lying on a beach near the equator watching the sun set over a calm ocean, you start a stopwatch just as the top of the sun disappears. you then stand, elevating your eyes by a height h = 1.70 m, and stop the watch when the top of the sun again disappears. if the elapsed time is t = 11.1 s, what is the radius r of earth?
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Suppose that, while lying on a beach near the equator watching the sun set over a calm ocean, you st...
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