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The cover of a computer mouse is hinged at point B so that it may be "clicked." Repeat Prob. 4.1 to determine the moment about point B.
A spring-loaded piston-cylinder device is initially filled with 0.13 lbm of an R-134a liquid-vapor mixture whose temperature is ?30°F and whose quality is 80 percent. The spring constant in the spring force relation F = kx is 37 lbf/in, and the pisto..
Air is flowing steadily through a horizontal tube at a constant temperature of 32 deg C and a mass flow rate of 1 kg/s. At one point upstream where the tube diameter is 50 mm, the pressure is 345 kPa. At another point downstream the diameter is 75 mm..
A 3-inch diameter orifice cut in a thin orifice plate conveys flow from a deten- tion basin with water level at elevation 472.00 feet. The center of the orifice is at elevation 467.50 feet. Find the discharge for free flow.
You want to create a graph showing the relationship of an ideal gas between pressure (P) and temperature (T). The ideal gas law relates the pressure, volume, amount, and temperature of an ideal gas using the relationship: PV = nRT. The ideal gas cons..
An airplane tows a 2-m-tall advertising banner at a speed of 160 km/h. If the banner is flat and 5 m long, then estimate its drag assuming fully turbulent flow (μ = 1.8 × 10-5 N s/m2, ρ = 1.2 kg/m3).
a highway curve with a radius of 1200 ft is designed in such a way that the maximum safe speed for a car on this curve
air contained in a piston-cylinder assembly is initially at 350 k 150 kpa and a volume of 0.15 l. as the cylinder is
Describe how additional velocity feedback, from a tachogenerator, may be incorporated into the closed-loop system, and simulate the system with MATLAB. Investigate the effect of integrating such a scheme with the proportional ampli?er approach of ..
Calculate the discharge Q through this layered sample, if the head difference between the top and bottom of the sample is 20 cm.
the compression ratio of an ideal dual cycle is 14. air is at 100 kpa and 300 k at the beginning of the compression
The tunnel of the previous problem is sunk into a trench that has been dredged in the river bottom, and then covered with sand. The volumetric weight of the sand is 20 kN/m3. Determine the minimum cover of sand necessary to prevent floatation of th..
consider the electrical conductor assembly in the form of four 4 parallel plates that have one edge mounted to a
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