February 20, 2017

Homework Help: PHYSICS ---HELP!

Posted by LIZ on Monday, October 18, 2010 at 7:13pm.

A laser beam is directed at the Moon, 380,000 km from Earth. The beam diverges at an angle of 6.2×10−5 rad. What diameter spot will it make on the Moon?
Express your answer using two significant figures.

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