Recent content by rg414

Homework Statement In a particular substance the phase velocity of the waves is proportional to the reciprocal of the wavelength. If vp represents the central phase velocity of a wave group and vg represents the group velocity, which of the following equations is valid? Homework...

Hello everyone, I'm new to the forum and I'm starting to learn about Relativity. I'm confused about a couple of concept that I've recently been reading up on. If two non-rotating spaceships are floating freely in interstellar space well outside the influence of any other objects in the...