Physics, 12.09.2019 23:30 angelinacortes11
Two train whistles have identical frequencies of 175 hz. when one train is at rest in the station and the other is moving nearby, a commuter standing on the station platform hears beats with a frequency of 4.05 beats/s when the whistles operate together. what are the two possible speeds and directions the moving train can have? slower speed m/s correct: your answer is correct. faster speed m/s changed: your submitted answer was incorrect. your current answer has not been submitted.
Answers: 1
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The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?
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Two train whistles have identical frequencies of 175 hz. when one train is at rest in the station an...
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