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Mathematics, 18.02.2021 22:30 memorybuxton

If a light beam strikes the inside of a fiber optic cable, it bounces off at the same angle. If a cable is 1,200 micrometers long and the beam strikes the wall after 720 micrometers, then what distance x+y does the beam travel?

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If a light beam strikes the inside of a fiber optic cable, it bounces off at the same angle. If a ca...
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