## Question

###### SOLUTION(A) Find the position of the imageBecause the mirror is convex, its focal length is negative. Substitute into the mirror equation.9 =320.0 cm-8.00 cmSolve for-5.71 cm(B) Find the magnification of the mirrorSubstitute into the magnification equation.M = -15.71 cm 20.0 cm0.286(C) Find the height of the image_Multiply the object height by the magnification.h' = hM = (3.00 cm)(0.286) 0.858 cm

SOLUTION (A) Find the position of the image Because the mirror is convex, its focal length is negative. Substitute into the mirror equation. 9 =3 20.0 cm -8.00 cm Solve for -5.71 cm (B) Find the magnification of the mirror Substitute into the magnification equation. M = -1 5.71 cm 20.0 cm 0.286 (C) Find the height of the image_ Multiply the object height by the magnification. h' = hM = (3.00 cm)(0.286) 0.858 cm

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