On Feb 7, 12:29 am, 1treePetrifiedForestLane <Space...@hotmail.com> wrote: > velocity has a direction, like momentum does; > speed doesn't have to have a direction, > as with the speed of waves, > propogating in all directions from a light or sound. > > there is only you & me; no-one else is bothering > with your "no stinkin math" theory, which unfortunately > cannot make any predictions thereby, such as, > What is the speed (not velocity) of light waves? > > just because Einstein coined the word, photon, and > he assumed that it was a massless rock o'light, > doesn't mean that it is not a wave. unfortunately, > because of the mystical Copenhagenskool, > everyone is beset by the idea that everything has both > a wave & a particle "nature," although it is clear that > light is the one thing that can only be a wave. > > the importance of the max velocity of *wind*, is the same > as that of the max speed of light, by easy analogy. > > > > > Speed and velocity mean the same thing. WHY is it so > > important for you to know the maximum velocity of sound?- Hide quoted text - > > - Show quoted text -
Dear 1tree: Speed, such as MPH, doesn't have to be in a straight line. If you "force" velocity, say mph, to be in a straight line, that is a SUB definition imposed by one having difficulty understanding how to figure things out. Those people want different LABELS on the factors so they can understand how to do the probably- wasn't-needed-in-the-first-place MATH! Many of the screw-ups in Mechanics are the result of shoehorning some definition conceived by an airhead mathematician. For example: Momentum is simply the increase in hitting FORCE resulting from increasing the speed or velocity of some mass. The units of momentum is pounds, only (or etc.). If more people understood how to solve problems without looking at any screwed-up textbooks, there wouldn't need to be the economic WASTE of sending 75% of those who go to college for no good reason at all. ? NoEinstein ?