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**FelikTen** · 08-31-2012, 11:25 PM

Still having trouble with not adding the speeds of things travelling in opposite directions when viewed from the point of view of the objects in the "here and now" http://hyperphysics.phy-astr.gsu.edu...iv/einvel.html

might help.

"c" is the velocity of light and is usually represented by 1.

the other velocities "u" and "v" are represented by a percentage of 1.

ie 80% the speed of light would be 0.8

look at the other links on that page as well.

08-31-2012, 11:25 PM	#11
FelikTen Join Date Oct 2005 Posts 441 Senior Member	Still having trouble with not adding the speeds of things travelling in opposite directions when viewed from the point of view of the objects in the "here and now" http://hyperphysics.phy-astr.gsu.edu...iv/einvel.html might help. "c" is the velocity of light and is usually represented by 1. the other velocities "u" and "v" are represented by a percentage of 1. ie 80% the speed of light would be 0.8 look at the other links on that page as well.
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