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Galileo attempted to measure the speed of light by A Part A measuring the time elapsed between his opening a lantern and his seeing the light return from his assistant's lantern. The experiment is illustrated in the figure(Figure What distance, d, must separate Galileo and his assistant in order for the human reaction time, At = 0.2 s, to introduce no 1). You may want to review (Pages 885 - 889) . more than a 15 % error in the speed of light? Express your answer using two significant figures. OA AEd m Submit Request Answer Figure V 1 of 1 "> Provide Feedback Next >