Physics, 09.12.2020 21:40 Cedars6976
A bystander hears a siren vary in frequency from 592 Hz to 396 Hz as a fire truck approaches, passes by, and moves away on a straight street. What is the speed of the truck?
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A bystander hears a siren vary in frequency from 592 Hz to 396 Hz as a fire truck approaches, passes...
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