A 5m long ladder has its upper end leaning against a vertical wall and lower end on a perfectly leveled ground. The lower end moves away at a constant rate of 3 cm/sec. How fast is the upper end of the ladder moving down, in cm/sec when the lower end is 3m from the wal

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A: The situation can be illustrated with this figure:

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A: Given A ladder 10 ft long leans against a building. If the bottom of the ladder slides away from the…

Q: shorter

A:

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