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253. A horizontal trough is 16 m long and its ends are isosceles trapezoids with an altitude of 4m lower base of 4m and an upper base of 6m. If the water level is decreasing at the rate of 25 cm/min, when the water is 3m deep, at what rate is water being drawn from the trough? a. 22 cu m/min b. 25 cu m/min c. 20 cu m/min d. 30 cu m/min

253. A horizontal trough is 16 m long and its ends are isosceles trapezoids with an altitude of 4m lower base of 4m and an upper base of 6m. If the water level is decreasing at the rate of 25 cm/min, when the water is 3m deep, at what rate is water being drawn from the trough? a. 22 cu m/min b. 25 cu m/min c. 20 cu m/min d. 30 cu m/min

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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253. A horizontal trough is 16 m long and its ends are isosceles trapezoids with an altitude of 4m lower base of 4m and an upper base of 6m. If the water level is decreasing at the rate of 25 cm/min, when the water is 3m deep, at what rate is water being drawn from the trough? a. 22 cu m/min b. 25 cu m/min c. 20 cu m/min d. 30 cu m/min
Transcribed Image Text:253. A horizontal trough is 16 m long and its ends are isosceles trapezoids with an altitude of 4m lower base of 4m and an upper base of 6m. If the water level is decreasing at the rate of 25 cm/min, when the water is 3m deep, at what rate is water being drawn from the trough? a. 22 cu m/min b. 25 cu m/min c. 20 cu m/min d. 30 cu m/min
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