Unformatted text preview: 48. The Doppler eﬀect formula, Eq. 18-47, and its accompanying rule for choosing ± signs, are discussed in
§18-8. Using that notation, we have v = 343 m/s, vD = 2.44 m/s, f = 1590 Hz and f = 1600 Hz. Thus,
f =f v + vD
v + vS =⇒ vS = f
(v + vD ) − v = 4.61 m/s .
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.
- Fall '08