An airplane flying upwind, downwind, and crosswind shows the main principle of the Michelson–Morley experiment. A plane capable of flying at speed c in still air is flying in a wind of speed v. Suppose the plane flies upwind a distance L and then returns downwind to its starting point.
(a) Find the time needed to make the round-trip and compare it with the time to fly crosswind a distance L and return. Before calculating these times, sketch the two situations.
(b) Compute the time difference for the two trips if L = 100 mi, c = 500 mi/h, and v = 100 mi/h.
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An airplane flying upwind, downwind, and crosswind shows the main principle of the Michelson–Morley...
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