Solved: Viewing angle The bottom of a large theater screen
Chapter 3, Problem 53(choose chapter or problem)
Viewing angle The bottom of a large theater screen is 3 ft above your eye level and the top of the screen is 10 ft above your eye level. Assume you walk away from the screen (perpendicular to the screen) at a rate of 3 ft>s while looking at the screen. What is the rate of change of the viewing angle u when you are 30 ft from the wall on which the screen hangs, assuming the floor is horizontal (see figure)?
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