A concave mirror (R = 64 cm) is used to project a transparent slide onto a wall. The slide is located at a distance of 40.0 cm from the mirror, and a small flashlight shines light through the slide and onto the mirror.
(a) How far from the wall should the mirror be located? (in cm)
(b) The height of the object on the slide is 2 cm. What is the height of the image? (in cm)