Recent content by JMart12

Thanks so much. I’ll definitely have to keep this in mind!

Thank you so much for this comment. This explains the entire situation perfectly, and I know feel that I have a much better grasp on this. I’m sorry for my numbers being off, I was approximating what I remembered some of these to be, and it was late at night, so that is completely my fault...

Thank you so much! I’m sorry for the confusion on the original post. What I was trying to say was that relative to Bob the second lightning strike would have occurred at t=10 microseconds, but if you subtract the time it takes for light to travel the 20km from the pole to Bob then, relative to...

If you are having trouble visualizing this problem, I got it from this quick YouTube video, which actually draws it out:

In the Earth’s reference frame, a tree is at x=0km and a pole is at x=20km. A person stands at x=0 (stationary relative to the Earth), and at t=10 microseconds, this person witnesses two simultaneous lightning strikes. One of these strikes hits the tree he is standing under, and the other hits...