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A hardening spring applies a non constant force F = .12(x + 10x2) lb to block A. A = 4.8 lb, B = 23 lb and B is 18 inches above the floor. The large pulley has a mass of .125 slug and a radius of 6 in. The two smaller pulleys have identical masses of .031 sl and radii of 2 in. All pulleys are thin disks. What is the speed of (a) B and (b) A just before B hits the floor? Ignore friction.
The die characteristic is Q_x = 0.0015p where p is the head pressure in psi. Determine the flight angle that maximizes the flow rate Q_x and graph it.
Evaluate the shearing and normal stresses at points H and J located at the ends of the horizontal and vertical diameters of transverse section located 2.5 in. to the left of bearing B.
A trapezoidal channel made out of brick, with bottom width 6ft and with bottom slope 0.001
one pound-mass of air at 78 degrees f and 75 psia is contained in a piston-cylinder device. during a reversible process
a solar collector is made of a cover plate then a 5 cm air gap and then an absorber plate with insulation on the back
A 12 Volt battery is charged by supplying 3 Amps over a period of 6 hours. What is the change of energy stored in the battery if the battery loses 400kJ of heat during charging.
Determine the analytical solution for the maximum stress of the beam shown; compare with stress results from SolidWorks.
a 20 degc brix sucrose solution at 70 degf is being pumped from a large open tank at a rate of 16 gallonsmin through a
1. A Brayton cycle uses air and produces a net work of 14000 Btu/s with an inlet state of 60°F, 14.7 psi and a compression ratio of 16. The heat added in the combustion process is 400 Btu/lbm. If the thermal efficiency is 0.547 Determine: Using va..
(a) Draw and label a schematic of the system. (b) Determine the mass flow rate (kg/s) of water vapor neededand (c) the rate of exergy destruction (kW)
air with a dry bulb temperature of 22c and a relative humidity of 60 percent is contained in a
the drinking water needs of a residential hall with 20 students is to be met by a bubbler type water fountain. the
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