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Question: A man strikes one end of a thin rod with a hammer. The speed of sound in the rod is 17 times the speed of sound in air. A woman, at the other end with her ear close to the rod, hears the sound of the blow twice with a 0.14 s interval between; one sound comes through the rod and the other comes through the air alongside the rod.
Part A: If the speed of sound in air is 346 m/s, what is the length of the rod?
Include work and exact answer please! Thanks!
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