256CHAPTER 22 (b) The mirror folds into the cell the motion that would occur in a room twice as wide. Thus, ()()()5222.37 m7.2710rad svrω−==×43.4510m s0.345 mm s−==×(c) and (d) As the Sun moves southward and upward at 50.0°, we may regard the corner of the window as fixed, and both patches of light move northward at 50.0below the horizontal°22.49(a) From the geometry of the figure at the right, observe that 160.0θ=°. Also, from the law of reflection, 2160.0θθ==290.0°. Therefore, 30.0αθ=° −390.0180=°, and 30.0
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