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Posted by on Tuesday, August 23, 2011 at 10:07pm.

Use the fact that the speed of light in a vacuum is about 3.00 108 m/s to determine how many kilometers a pulse from a laser beam travels in exactly 4.9 hour(s)

  • physics - , Tuesday, August 23, 2011 at 10:58pm

    Have you heard of the D = V*t formula?

    Make sure V is in km/s and t is in seconds

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