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Date: Name WS 2A: Simultaneity can be Relative (when things happen at different pla A train car has two experimenters (called A' and B') A located at either end of the car, and, an observer (0') at rest in the middle of the car. The car is traveling with a speed v to the right. An observer "O" is at rest with respect to the ground alongside the track. S' Experimenters A and B' each throw a ball with speed u' toward observer O'. Observer O' determines that the two balls each reach her at the same time. 1) Describe in paragraph form, what does Observer O' conclude about: a) What were the speeds of each ball as observed by O"? Which ball (A' or B') was thrown first? b) Describe in paragraph form, what does observer O conclude about 2) a) What were the speeds of eacb ball as observed by O? b) Which ball (A' or B') was thrown first?

Answer 1

2L 209