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Two boards each having the same EI and length L are crossed perpendicular to each other as shown. Determine the vertical reactions at the supports. Assume the boards just touch each other before the load P is applied.
Assume that an egg can be hatched only in the week after it is laid. Otherwise it must be saved and sold for 10 cents. Assume that there are no eggs available for hatching in the first week.
An uncovered swimming pool loses 1 inch of water off its 1,000ft^2 surface each week due to evaporation. the heat of vaporization for water at the pool temperature is 1,050 Btu/lb
A suburban street receives storm water runoff at a rate of 2.0 L/m-s (one each side). the street has a slope of .8 percent and a cross slope of 2 percent, n = .013.
What values of a and b will minimize the variance of S? The answer to this question will take the from a equals a specific number and b equals a specific number.
A rectangular plata 5 ft by 4 ft is at an angle of 30 degrees with the horizontal, and the 5-ft side is horizontal. Find the magnitude of the force on one side of the plate and the depth of its center of pressure when the top edge is 1 ft below the w..
An intake conduit from a well field used to pump ground water is being designed for a town with a population of 23,000 people. Six years ago the population was 21,500 people. a) assuming deometric growth, calculate the population in 50 years
A gravity thickener receives 33.000 Lpd of wastewater sludge and increases the solids content from 3.0% to 7.0% with 90% solids recovery. Calculate the volume of thickened sludge.
A 10 ft layer of normally consolidated saturated clay is found at depth of 20 ft beneath a formation of partially saturated sandy silt with unit weight of 115 lb/ft cubed. Void ratio of the clay is 1.5 and specific gravity is 2.6.
(a) Determine the ratio of model flow velocity to prototype flow velocity over the spillway for dynamic similitude. (b) Determine the ratio of model discharge to prototype discharge for dynamic similitude.
1.5-kg collar is attached to a spring and slides without friction along a circular rod in a vertical plane. Knowing that the tension in the spring is70 N and the speed of the collar is 3.8 m/s as it passes through point A,
A wire has a resistance of 1.2×10-2 . What will the wire's resistance be if it is stretched to twice its original length without changing the volume of the wire
The Hubert H. Humphrey Metrodome in Minneapolis opened in 1982 at a cost of $55 million. To prepare for the footings, et cetera, 3.00x105 cubic yards of dirt were removed. The Metrodome's inflatable roof covers 10.0 acres and its interior volume i..
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