Recent content by FatheadVT

Homework Statement Given: in its own reference frame a proton takes 5 minutes to cross the Milky Way (10^5 meters). (a) What is the approximate energy of the proton? (b) About how long would the proton take to cross the galaxy as measured by an observer in the galaxy's reference frame...

Homework Statement I'm completely stumped by a simple sounding problem in my mechanics class. It's not for credit, but I'm frustrated and want to see if I can figure it out with some hints. A column of soldiers has length L and is marching in a straight line at constant speed. An officer...