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Biology, 20.12.2019 03:31 animaljamissofab
Astudent holds a tuning fork oscillating at 259 hz. he walks toward a wall at a constant speed of 1.31 m/s. (a) what beat frequency does he observe between the tuning fork and its echo? hz (b) how fast must he walk away from the wall to observe a beat frequency of 4.90 hz? m/s
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Astudent holds a tuning fork oscillating at 259 hz. he walks toward a wall at a constant speed of 1....
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