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Sunlight enters a room at an angle of 32° above the horizontal and reflects from
a small mirror lying flat on the floor The reflected light forms a spot on a wall
that is 2.0 m behind the mirror, as shown in Figure 26-58. If you now place a
pencil under the edge of the mirror nearer the wall, tilting it upward by 5.0°, how
much higher on the wall (Ay) is the spot?

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