A laser beam is incident on a mirror al an angle of 30,
Chapter 18, Problem 44(choose chapter or problem)
A laser beam is incident on a mirror al an angle of 30, asshown in Figure P 18.44. It reflects off the mirror and strikes awall 2.0 m away at point P. By what distance does the laser spoton the wall move if the mirror is rotated by 10?
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