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Re: [Phys-L] The Make-Believe World of Real World Physics



Point well taken, but that point is so far downstream for the current discourse that is at most a curiosity for now.


On Jul 29, 2013, at 11:51 PM, Bob Sciamanda wrote:



At some point it should be pointed out that there is nothing unique about the terrestrially observed turn-around point of an upward tossed projectile. It is, in fact, a frame dependent phenomenon. In another inertial frame (eg., rising helicopter) there may not even be a turn-around point, and the observed acceleration is the same.

Bob Sciamanda
Physics, Edinboro Univ of PA (Em)
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