Homework Help: physics

Posted by Karen on Monday, October 22, 2012 at 9:48pm.

A human hair is approximately 55 µm in diameter.
Express this diameter in meters.
Answer in units of m

physics - Elena, Tuesday, October 23, 2012 at 10:04am
55 µm =55•10⁻⁶ m=0.000055 m=5.5 •10⁻⁷ m

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