The image produced by a concave mirror is located 21.0 cm in front of the mirror. The focal length of the mirror is 8.00 cm. How far in front of the mirror is the object located? Number Units
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The image produced by a concave mirror is located 21.0 cm in front of the mirror. The focal length of the mirror is 8.00 cm . How far in front of the mirror is the object located?