10. A ladder is slipping down a vertical wall. If the ladder is 13 ft long and the top of it is slipping at the constant rate of 2 ft/s, how fast is the bottom of the ladder moving along the ground when the bottom is 5 ft from the wall?
10. A ladder is slipping down a vertical wall. If the ladder is 13 ft long and the top of it is slipping at the constant rate of 2 ft/s, how fast is the bottom of the ladder moving along the ground when the bottom is 5 ft from the wall?
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter57: Fundamental Geometric Constructions
Section: Chapter Questions
Problem 5A: A carbide milling cutter is used for machining a 27.25-inch length of stainless steel. The cutting...
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10. A ladder is slipping down a vertical wall. If the ladder is 13 ft long and the top of it is slipping at the constant rate of 2 ft/s, how fast is the bottom of the ladder moving along the ground when the bottom is 5 ft from the wall?
11. Water is falling on a surface, wetting a circular area that is expanding at a rate of 3 mm2/s. How fast is the radius of the wetted area expanding when the radius is 107 mm? (Round your answer to four decimal places.)
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