ch37-p023 - 23(a In frame S our coordinates are such that...

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x = x 2 x 1 = –720 m. If we set x' = 0 in Eq. 37-25, we find 0 720 500 10 6 =− = −− × γγ () ( . ∆∆ xv t v ms ) c h which yields v = –1.44 × 10 8 m/s, or / 0.480 vc β = = . (b) The negative sign in part (a) implies that frame S' must be moving in the – x direction. (c) Eq. 37-28 leads to tt vx c '. (. F H G I K J −× × F H G I K J 2 6 8 8 144 10 2 998 10 s m / s)( 720m) m/s) 2 which turns out to be positive (regardless of the specific value of γ ). Thus, the order of the flashes is the same in the S' frame as it is in the S frame (where t is also positive).
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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