A 30-m-long rocket train car is traveling from Los Angeles to NewYork at 0.5c wh

Question

A 30-m-long rocket train car is traveling from Los Angeles to NewYork at 0.5c when a light at the center of the car flashes. Whenthe light reaches the front of the car, it immediately rings abell. Light reaching the back of the car immediately sounds asiren.
a. Are the bell and siren simultaneous events for a passengerseated in the car? If not, which which occurs first and by how muchtime?
b. Are the bell and siren simultaneous events for a bicyclist waiting to cross the tracks? If not, which which occurs first andby how much time?

Explanation / Answer

a only... yes the bell and sirens are simultaneous events.

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