SAT, 03.02.2022 14:00 arri05

You stand by the railroad tracks as a train passes by. You hear a 950-hz frequency when the train approaches, which changes to 820 hz as it goes away. How fast is the train moving? the speed of sound in air is 340 m/s.

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You stand by the railroad tracks as a train passes by. You hear a 950-hz frequency when the train ap...

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