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Unformatted text preview: HOMEWORK 14: SOLUTIONS . Q37.5: ANSWER: Yes, it does. In a time frame of a traveler, the time does not change. 37.3. I DENTIFY and S ET U P : The problem asks for u such that E XECUTE : gives ; Jet planes fly at less than ten times the speed of sound, less than about 3000 m/s. Jet planes fly at much lower speeds than we calculated for u . 37.19. I DENTIFY and S ET U P : Reference frames S and are shown in Figure 37.19. Frame S is at rest in the laboratory. Frame is attached to particle 1. Figure 37.19 u is the speed of relative to S ; this is the speed of particle 1 as measured in the laboratory. Thus The speed of particle 2 in is 0.950 c . Also, since the two particles move in opposite directions, 2 moves in the direction and We want to calculate the speed of particle 2 in frame S ; use Eq.(37.23). E XECUTE : The speed of the second particle, as measured in the laboratory, is 0.784 c . E VALUATE : The incorrect Galilean expression for the relative velocity gives that the speed of the second particle...
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 Fall '05
 Ogilvie
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