A driver looks in his side view (convex) mirror (focal length 76.9 m). If another car appears to be 19.7 m behind him, how far, in m, is the car actually behind him? NOTE: Distance is a magnitude, so it is always positive.

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A driver looks in his side view (convex) mirror (focal length 76.9 m). If another car appears to be 19.7 m behind him, how far, in m, is the car actually behind him?
NOTE: Distance is a magnitude, so it is always positive.
Transcribed Image Text:A driver looks in his side view (convex) mirror (focal length 76.9 m). If another car appears to be 19.7 m behind him, how far, in m, is the car actually behind him? NOTE: Distance is a magnitude, so it is always positive.
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