Find the focal length of the mirror
Problem: An object is placed 5 centimeters from a mirror which then forms an image at -39 centimeters. Find the focal length of the mirror (in centimeters). Round your final answer to two decimal places.
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An object is placed 5 centimeters from a mirror which then forms an image at -39 centimeters. Find the focal length of the mirror (in centimeters).
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