ch37-p017 - 17. (a) We take the flashbulbs to be at rest in...

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Similarly, let t b be the time and x b be the coordinate of the big flash, as measured in frame S . Then, the time of the big flash, as measured in frame S' , is . b bb x tt c β ⎛⎞ ′=γ ⎜⎟ ⎝⎠ Subtracting the second Lorentz transformation equation from the first and recognizing that t s = t b (since the flashes are simultaneous in S ), we find 3 5 8 () (1.0328)(0.250)(30 10 m) '2 . 5 8 1 0 s 3.00 10 m/s sb xx t c γβ × ∆= = = × × where ' ' ' bs t ∆= − . (b) Since t' is negative, t b ' is greater than t s ' . The small flash occurs first in S' . 17. (a) We take the flashbulbs to be at rest in frame
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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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