A MARTA bus travels down Peachtree Street at speed 4/5c. At 7:00pm, streetlights on Peachtree all turn on simultaneously (in the frame of the street). ln the reference frame of the bus, the streetlights ahead of the bus turn on:
(a) At the same time as the streetlights behind the bus
(b) After the streetlights behind the bus
(c) Before the streetlights behind the bus
(d) There are way too many people on the bus and there is no way to tell which lights come on first since you can’t see out any of the windows.
Check your answer: (c) Before the streetlights behind the bus
Physics Education Research at UNG 