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ghostanime2001
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Homework Statement
A horizontal eavestrough 3m long has a triangular cross section 10 cm across the top and 10 cm deep. During a rainstorm the water in the trough is rising at the rate of 1 cm/min when the depth is 5 cm.
a) How fast is the volume of water in the trough increasing?
b) After the rain stopped, the water drained out of the trough at the rate of 0.06 m3/min. How fast is the surface of the water falling when the depth is 1 cm?
The Attempt at a Solution
V =[tex]\frac{1}{2}[/tex] bhl
Solving in terms of b:
b 5
-- = --
h 10
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