How can Einstein’s Theory of Relativity, E=MC2 be taken seriously, when the Equation exhibits a two dimensional triangle in one plane, when Mass is Considered as Three Dimensional Objects?

Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude

Which accurately compares concave and convex lenses?

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.