The rectangular tank shown here, with its top at ground level, is used to catch runoff...
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The rectangular tank shown here, with its top at ground level, is used to catch runoff water. Assume that the water weighs 62.2 lb/ft³. a. How much work does it take to empty the tank by pumping the water back to ground level once the tank is full? b. If the water is pumped to ground level with an (8/11)-horsepower (hp) motor (work output 400 ft-lb/sec), how long will it take to empty the tank (to the nearest minute)? c. Show that the pump in part (b) will lower the water level 20 ft (halfway) during the first 75 minutes of pumping. d. What are the answers to parts (a) and (b) in a location where water weighs 62.09 lb/ft³? 62.33 lb/ft³? Ground level 8 ft 40 18 ft The rectangular tank shown here, with its top at ground level, is used to catch runoff water. Assume that the water weighs 62.2 lb/ft³. a. How much work does it take to empty the tank by pumping the water back to ground level once the tank is full? b. If the water is pumped to ground level with an (8/11)-horsepower (hp) motor (work output 400 ft-lb/sec), how long will it take to empty the tank (to the nearest minute)? c. Show that the pump in part (b) will lower the water level 20 ft (halfway) during the first 75 minutes of pumping. d. What are the answers to parts (a) and (b) in a location where water weighs 62.09 lb/ft³? 62.33 lb/ft³? Ground level 8 ft 40 18 ft
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Related Book For
Physics
ISBN: 978-0077339685
2nd edition
Authors: Alan Giambattista, Betty Richardson, Robert Richardson
Posted Date:
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