February 20, 2017

Homework Help: Physics

Posted by Madison on Wednesday, February 13, 2013 at 2:34pm.

A woman fixing her hair holds a plane mirror 30 cm away from the front of her face so as to look into a plane mirror on the bathroom wall behind her. She is 90 cm from the wall mirror. Approximately how far does the image of the back of her head appear in front of her?

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