Yeah I'm sorry about that. This is my first time using something like this. I wasn't sure what I was supposed to do, but yeah I'll do a better job next time. Thank you for your help.
This is a question off a take-home exam and I just need some help getting started on each part.
Homework Statement
A train of length L moves at speed 3c/5 with respect to the ground. A ball is thrown from the back to the front, at speed c/3 with respect to the train. How much time does this...