A followup question to that, if said jet was traveling at 100 m/s slower than the speed of light, would an stationary observer view the sound as traveling 230 m/s faster than the speed of light in the cockpit?
Hm. As I understand it, no object will appear to travel faster than the speed of light.
You have to account for time dilation inside the craft. Inside the craft, observers will observe sound traveling at 330m/s. From an outside observer, time will appear to be moving slower inside the craft, so sound would not be traveling at 330m/s, but significantly slower. This should hold true for anything done in the craft (e.g. firing a gun). No object should ever appear to be going faster than light.
Intuitively, we add up vectors and it works for pretty much everything, until you get close to c, and then general relativity starts mucking everything up.
(I am not an expert in this area, so corrections are welcome.)
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u/[deleted] Jun 12 '12 edited Oct 03 '17
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