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 Originally Posted by XTR1000
Originally Posted by pgil
eg. I clock the train at 50MPH. I know the maximum velocity for the ball is 200MPH and know this is it's current speed. I add the two vectors and come up with 206MPH [SQRT(200E2 + 50E2)]
wrong, if it was like this noone would know einstein. the point is, that the ball cant go faster than 200MPH and just adding the two velocity vectors is not allowed for that reason. instead of adding the vectors we have to acclerate/[english word for negative acceleration] the relative movement of time.
If we were dealing with a ping pong ball moving at the speed of light that would be correct, because it can't move faster than the speed of light no matter what, but if we were to adjust time to compensate for the difference in observed speeds of the ping pong ball as presented, our math and the amount of time dilation would be way off.
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