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May 22, 2015

Homework Help: Chemistry

Posted by Lizzy on Sunday, November 20, 2011 at 11:09pm.

If the distance from the Earth to the moon is 3.84 x 105 km. How long would it take a radio wave with wavelength 413.8 m to travel from Earth to the moon?

C=(lanbda)v & E=(h)v

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