Ptt 大爆卦 | 1.8m to cm - 前往 https://www.shaalaa.com/question-bank-solutions/a-man-of-height-180-cm-is-moving-away-from-a-lamp-post-at-the-rate-of-12-meters-per-second-if-the-height-of-the-lamp-post-is-45-meters-find-the-rate-at-which-i-his-shadow-derivatives-as-a-rate-measure_202705

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A man of height 180 cm is moving away from a lamp post at ...

A man of height 180 cm is moving away from a lamp post at the rate of 1.2 meters per second. ... d dt d y dt = 1.2 m/sec, MN = 180 cm = 1.8 m, OA = 4.5 m .

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