Homework Help: physics!

Posted by linds on Monday, April 2, 2012 at 10:13pm.

The image produced by a concave mirror is located 27 cm in front of the mirror. The focal length of the mirror is 13 cm. How far in front of the mirror is the object located?

physics! - drwls, Monday, April 2, 2012 at 10:31pm
Try the old standby,
1/do + 1/do = 1/f = 1/13
Solve for image distance do.

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