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23 Nov 2019
a) Suppose that the distance between events A and B is 1200. Theobserver is stationed exactly in the middle, but does not receivethe signals simultaneously. Her detector receives the flash from B2.00 microseconds before the flash from A. Are the eventssimultaneous according to her?
b) Where should she have stood, relative to A, to have received thesignals simultaneously?
c) Is there another observer, moving parallel to her x-axis, whocould observe the two events simultaneously? If not, explain whynot. If so, in which direction should this observer bemoving?
d) Could event B have caused event A?
a) Suppose that the distance between events A and B is 1200. Theobserver is stationed exactly in the middle, but does not receivethe signals simultaneously. Her detector receives the flash from B2.00 microseconds before the flash from A. Are the eventssimultaneous according to her?
b) Where should she have stood, relative to A, to have received thesignals simultaneously?
c) Is there another observer, moving parallel to her x-axis, whocould observe the two events simultaneously? If not, explain whynot. If so, in which direction should this observer bemoving?
d) Could event B have caused event A?
