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An object that is 31 cm in front of a convex mirror has an image located 20 cm behind the mirror. How far behind the mirror is the image located when the object is 19 cm in front of the mirror?
For this problem, I know I have to use the mirror equation but I keep getting the wrong answer. The answer I got was -12.3 cm. What am I doing wrong? Please help!!
For this problem, I know I have to use the mirror equation but I keep getting the wrong answer. The answer I got was -12.3 cm. What am I doing wrong? Please help!!