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Neglecting friction and the weights of the members, compute the magnitudes of the pin reactions at A and C for the folding table shown.
A window receives 500 W of heat transfer at the inside surface of 20?C and transmits the 500 W from its outside surface at 2?C, continuing to ambient air at -5?C. Find the flux of entropy at all three surfaces and the window's rate of entropy gene..
The solid circular disk of uniform thickness is released from rest on the 60-degree incline. Calculate the angular velocity w of the cylinder and the magnitude v of the velocity of its center C after it has moved 10 ft down the incline.
A 1.50 L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate the pH of the solution after the addition of 0.0500 moles of solid NaOH. Assume no volume change upon the addition of base. The Ka for HF is 3.5 x 10 -4 .
How many gallons would be required to last the same time as the gas? The sodium hypochlorite solution strength is 15 percent by weight and has the same unit weight as water (specific gravity 1.0). One pound of sodium hypochlorite has the same disinfe..
A rectangular concrete channel 4m wide on a slope of 0.002 is designed to carry water(T = 10 C) at discharge rate 25m^3/s. Estimate the uniform flow depth for these conditions?
A structural steel beam supports a roof that weighs 20 psf. An analysis of the loads has the following: S=12 psf, L_r=18 psf and W=38 psf (upwards) or 16 psf (downwards). If the beams are spaced 6ft 0 in apart
Estimate teh excess solids production of an extended aeration process treating unsettled wastewater with a BOD of 200 mg/l and suspended solids concentration of 240 mg/l, assuming k=0.35.
Determine the greatest load P the beam will support without causing the A992 steel member BC to buckle. Due to the forked ends on the member, consider the supports at B and C to act as pins for x-x axis buckling and as fixed supports for y-y axis ..
A tugboat tows a ship at a constant velocity. The tow harness consists of a single tow cable attached to the tugboat at point A that splits at point B and attaches to the ship at points C and D.
Develop a VB program that keeps track of your daily exercise time. The user interface should look similar to the picture below. 1. On Form1, each day's exercise time can be saved into a listbox. Type a number in the textbox, when the "Save" but..
determine the force exerted by the rider on the seat, the upward normal forces at A and B, and the lateral friction forces at A and B. Even though the bicycle is free to roll, assume that it does not. The bicycle weighs 29 lb with center of gravit..
What are the important factors in detailing the junction of a wood beam with a masonry loadbearing wall? Draw several ways of making this joint.
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