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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
When an object is 12 cm in front of a concave mirror, the image is 3.0 cm in front of the mirror? What is the focal length of the mirror?
A) -0.25 cm
B) 15 cm
C) 4.0 cm
D) 2.4 cm
E) -1.3 cm
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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HotMathHotMath
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#1
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Chery Author
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#2
7 years ago
You're right again!

Appreciate it
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