A science teacher places a 2.75 cm high statuette 3.50 cm in front of a concave mirror.
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Question:
A science teacher places a 2.75 cm high statuette 3.50 cm in front of a concave mirror. This results in a 6.00 cm high virtual image of the statuette appearing as if behind the mirror. What is the mirror's focal length (in cm)?
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