Created by StemPy LabA locomotive nears a level crossing at constant speed with its horn sounding. A person waiting at the crossing hears a note that is
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← The glass of a resonance apparatus is 4.2 cm wide inside. The fork is 470 Hz and sound travels at 345 m/s. With the end correction taken as three tenths of the width, how long is the air column at the first boom?A train blows a whistle of 530 Hz as it moves straight away from a platform at 34 m/s. What frequency does a passenger standing on the platform hear? →
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