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Consider a pulse of laser light aimed at the moon that bounces back to earth. The distance between Earth and Moon is 3.8 x 10 (small eight above) m. Show that the round-trip time for the light is 2.5 s.

  • physical -

    time= distance/speedlight= 2*3.8E8/3E8=?

  • physical -

    Thank you for your help!!!

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