A super train is moving along a track at a speed close to the speed of light. You are watching the train from the ground. You observe lightning to strike in two places along the track, a mile apart, at precisely the same time. What would someone on the train say?
A. The two bolts of lightning struck at different times, and they struck at places that are more than a mile apart.
B. The two bolts of lightning struck at the same time, and they struck at places that are less than a mile apart.
C. The two bolts of lightning struck at different times, and they struck at places that are precisely a mile apart.
D. The two bolts of lightning struck at different times, and they struck at places that are less than a mile apart.
Answer:D
A super train is moving along a track at a speed close to the speed of light. You are watching the train from the ground. You observe lightning to strike in two places along the track, a mile apart, at precisely the same time. What would someone on the train say?
A. The two bolts of lightning struck at different times, and they struck at places that are more than a mile apart. B. The two bolts of lightning struck at the same time, and they struck at places that are less than a mile apart. C. The two bolts of lightning struck at different times, and they struck at places that are precisely a mile apart. D. The two bolts of lightning struck at different times, and they struck at places that are less than a mile apart.