A trough is 12 feet long and 3 feet across the top (see figure). Its ends are isosceles triangles with altitudes of 3 feet. ft3 min 12 ft→ 3 ft 3 ft th ft (a) If water is being pumped into the trough at 2 cubic feet per minute, how fast is the water level rising when h is 1.5 feet deep? ft/min (b) If the water is rising at a rate of 3/8 inch per minute when h = 2.5, determine the rate at which water is being pumped into the trough.

A trough is 12 feet long and 3 feet across the top (see figure). Its ends are isosceles triangles with altitudes of 3 feet. ft3 min 12 ft→ 3 ft 3 ft th ft (a) If water is being pumped into the trough at 2 cubic feet per minute, how fast is the water level rising when h is 1.5 feet deep? ft/min (b) If the water is rising at a rate of 3/8 inch per minute when h = 2.5, determine the rate at which water is being pumped into the trough.

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter14: Sheet-pile Walls

Section: Chapter Questions

Problem 14.9P

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