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Halliday 2 Cap 18 - P18 049

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    December 2018

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49. We use vS = rω (with r = 0.600 m and ω = 15.0 rad/s) for the linear speed during circular motion, and Eq. 18-47 for the Doppler effect (where f = 540 Hz, and v = 343 m/s for the speed of sound).    v+0 526 Hz for + choice  f =f = 555 Hz for − choice v ± vS