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Unformatted text preview: given by f = fo(v ± vL) / (v ± vS) = (200 Hz)(340 ± 0) / (340 ± 24.44), because the cliff isn’t moving and thus vL = 0. Since the cliff is in front of the truck the sound waves are compressed, thus raising the pitch, so we need to put a minus sign in front of the 24.44 m/s. We h...
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- Winter '13