Youre an optometrist, mounting a projector at the back of your 4.2-m-long exam room, 2.6 m above
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You’re an optometrist, mounting a projector at the back of your 4.2-m-long exam room, 2.6 m above the floor. It shines an eyetest pattern on a white wall opposite the projector. Patients will sit with their eyes 3.3 m from the wall and 1.4m above the floor to view the pattern. At what height should you center the pattern on the wall?
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If you are going to center the projection then you want to dra...View the full answer
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