On Sat, Feb 1, 2014 at 7:57 AM, Edgar L. Owen <edgaro...@att.net> wrote:
> One might think it was the acceleration that slowed time on A's clock, > BUT the point is that A's acceleration was only 1g throughout the entire > trip which was exactly EQUAL to B's gravitational acceleration back on > earth. So if the accelerations were exactly equal during the entire trip > how could A's acceleration slow time but B's not slow time by the same > amount? > If A were going into space and accelerating upward off the surface of the Earth at one g (32 feet per second per second), then he would be experiencing 2g, one g from the Earth and one g from his continuing change in upward velocity. > both = 1g throughout the entire trip > No, not during the entire trip. And if the space traveler ever wants to return to Earth to rejoin his friend so they can directly compare their clocks then he's going to have to change the direction of his acceleration by 180 degrees. So their clocks will not match because their travel experiences were not symmetrical. John K Clark -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To post to this group, send email to everything-list@googlegroups.com. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out.
