A convex spherical mirror has a focal length of 12 cm (use the correct algebraic sign)

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics

Problem

A convex spherical mirror has a focal length of 12 cm (use the correct algebraic sign). The mirror forms an upright image 1.8 cm tall of a 4.0 cm tall object. Determine the object distance, including the appropriate sign.

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