swansont Posted December 29, 2015 Posted December 29, 2015 Also I enjoyed swansont's analogy of the ball throw, if you threw a ball at half the speed of light out of an object also moving at half the speed of light you would just simply keep up with the ball, most likely resulting in the ball hitting you in the face as it loses velocity and you maintain half light speed. You missed the point. The ball would leave you at a speed of c/2 in your frame. But in a frame where the rocket was moving at c/2, the ball would be moving at 4/5 c (and not c; the point was that the speeds don't add linearly), as per the velocity addition formula given earlier in the thread. There's also no reason for the ball to lose velocity while the rocket maintains its velocity. 1
John Cuthber Posted December 30, 2015 Posted December 30, 2015 Ive caught two fundemental flaws in einsteins theory. To begin with, heres a simplified definition of the theory of R, (copied off a reliable source off google) Some fairly bright bloke once wrote that you should make everything as simple as possible; but no simpler.
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