GR9277 #37



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Abou Ghazala 20180311 20:16:17  is just a photon\r\nit follows from the introductory concepts that\r\n1 the speed of light is indepentant of the speed of the light source\r\n2speed of light is the same in any inertial reference frame\r\nthese remain choices (A) and (D)\r\nthe velocity of photon is in opposite direction to that of photon\r\n photon moves in positive xdirection with speed =+1.0c\r\n photon moves in negative xdirection with speed =1.0c as in choice (A)   e2ka 20091007 11:47:39  Argh! So easy, yet missed. Don't be like me and see "1.0" and "c" and quickly write down answer D, which happened to be the first 1.0c I saw...
kroner 20091007 20:35:22 
I did that too...

gravity 20101108 00:52:04 
This is frustrating and is a stupid trick done by ETS.
I was all like, "haha, ETS, you're trying to trick me with your stupid question, I'm falling for that. BAM! D!"

  MP 20071029 21:44:57  I think answer choice B should read "0.2c"
ramparts 20090809 20:25:36 
This is true, but it's a nonissue, since the answer is wrong :P

 

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