Ladder against the wall A 13-foot ladder is leaning
Chapter 3, Problem 23(choose chapter or problem)
Ladder against the wall A 13-foot ladder is leaning against a vertical wall (see figure) when Jack begins pulling the foot of the ladder away from the wall at a rate of 0.5 ft>s. How fast is the top of the ladder sliding down the wall when the foot of the ladder is 5 ft from the wall? 13 ft
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