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Unformatted text preview: v + v D ) = ( v + v S ) and f = f = 500 . 0 Hz. (c) Relative to the air the locomotive is moving at v S = 20 . 00 m / s away from the uncle. Use the plus sign in the denominator. Relative to the air the uncle is moving at v D = 10 . 00 m / s toward the locomotive. Use the plus sign in the numerator. Thus f = f v + v D v + v S = (500 . 0 Hz) 343 m / s + 10 . 00 m / s 343 m / s + 20 . 00 m / s = 486 . 2 Hz . (d) Relative to the air the locomotive is moving at v S = 20 . 00 m / s away from the girl and the girl is moving at v D = 20 . 00 m / s toward the locomotive. Use the plus signs in both the numerator and the denominator. Thus ( v + v D ) = ( v + v S ) and f = f = 500 . 0 Hz....
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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
 SPRUNGER
 Physics

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