Thanks for the replies, sorry for taking a while to get back to you both.
I got it in the end after countless pages of working out trying different methods and the ones you mentioned.
Thanks again
Hi,
I'm struggling with a special relativity question
Two particles are traveling in an inertial frame in perpendicular directions to each other at velocity v. Calculate the velocity of each particle relative to the other
I'm not sure how to approach it. In the past any velocity...