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A ladder 13 feet long is leaning against a house.  The base of the ladder is pulled away from the wall at a rate of 2 feet per second.  How fast is the top of the ladder moving down the wall when its base
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A ladder 13 feet long is leaning against a house.  The base of the ladder is pulled away from the wall at a rate of 2 feet per second.  How fast is the top of the ladder moving down the wall when its base is 5 feet from the wall?

User TJL
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I believe the answer is 10 feet per second?
User Nioq
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