A person on Earth observes two rocket ships moving directly toward each other and colliding as shown in the figure below. At time t = 0 in the Earth frame the Earth observer determines that rocket A travelling to the right at va = 0.90c, is at point a, and rocket Bis at point b. travelling to the left at Vg = 0.70c. According to the Earth observer they are separated by a distance (= 4.2 x 100 m as shown in the other figure. How much time will elapse in frame A from the time rocket A passes point a until Collision * AB
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WHAT IS X- RAY? WHAT ARE THA importance PROPERTIES OF X-RAY?
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