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19. Sound: You are listening to an outdoor concert and hear a sound of a
wavelength of 0.49-m emitted by a flute on the stage 125 m from where
you are standing. Given the speed of sound is 340 m/s, determine: a). The
elapsed time before you hear the sound emitted from the stage. b). What
is the frequency of the sound? *
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19. Sound: You are listening to an outdoor concert and hear a sound of a
wavelength of 0.49-m emitt...
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