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Physics, 01.10.2019 07:00 kandrews6221

If 20 beats are produced within one second, which of the following frequencies could possibly be held by two sound waves traveling through a medium along a common path at the same time?

a. 18 hz and 26 hz
b. 47 hz and 55 hz
c. 38 hz and 63 hz
d. 22 hz and 42 hz

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