A swimming pool 25 meters long 10 meters wide and 2

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Calculus: Early Transcendental Functions
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Chapter 6 / Exercise 65
Calculus: Early Transcendental Functions
Edwards/Larson
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4. A swimming pool 25 meters long, 10 meters wide and 2 meters deep is partially filled with water. The water surface is 0.5 meters under the ground level. Find the work, in Joules, needed to pump out all water in the pool to the ground level. (The density of water is kg/m 3 , and the acceleration of gravity is g m / sec 2 (A) 500 g Joules; (B) 468.75 g Joules; (C) 482.75 g Joules; (D) 522.5 g Joules; (E) 423.5 g Joules; (F) 475.25 g Joules. 2 25 10 ground level ). gdV = . 20 m m 15 m 12 m 10 m water surface 0.5 2 25 10 ground level
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Calculus: Early Transcendental Functions
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Chapter 6 / Exercise 65
Calculus: Early Transcendental Functions
Edwards/Larson
Expert Verified
MAT1322-3X Solution to Final Examination Summer 2013 W = 2 2 2 0.5 250 250 (2 0.5 ) 2 g hdh g = 468.75 g Joules. 5. Suppose a piece of metal with temperature 180 C is brought into a room of temperature 20 at 2:00 pm. At 2:20 pm, its temperature is 100 C. When would the temperature of this piece of metal be reduced to 40 C? C . The 6. The sum of the series 2 0 5
27 ; The .

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