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A ladder 10 meter long is leaning agains...

A ladder 10 meter long is leaning against a vertical wall. If the bottom of the ladder is pulled horizontally away from the wall at the rate of 1.2 meters per second, find how fast the top of the ladder is sliding down the wall when the bottom is 6 meters away from the wall.

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CHETANA PUBLICATION-Applications of Derivatives-Exercise
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