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QUESTION
A flashbulb is placed in the middle of a bus.
A flashbulb is placed in the middle of a bus.When the flashbulb goes off, light from thebulb strikes the rear and front of the bussimultaneously, as seen by an observer, Karl,sitting in the bus.As seen by another observer, Fred, standingon the curb as the bus moves past, the light does what?
