You are 1.22 m away from a 60 cd lamp while reading your book.
You are asked to move 0.55 m farther. What is the illumination?
You are 1.22 m away from a 60 cd lamp while reading your book. You are asked to move 0.55 m farther. What is the illumin
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answerhappygod
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You are 1.22 m away from a 60 cd lamp while reading your book. You are asked to move 0.55 m farther. What is the illumin
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