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Find the angular velocity of a football spinning at ? about its long axis and traveling at a constant speed v0 tangent to a semicircle of radius R, as shown in Figure 10.25.
a gas turbine has two stages of ideal compression expansion intercooling and reheating. air enters the first compressor
a six cylinder four-stroke spark ignition engine runs at 3000 rpm. each cylinder has a bore of 85 mm and each piston
1. Is it possible to produce a continuous and oriented aramid fiber-epoxy matrix composite having longitudinal and transverse moduli of elasticity of 35 GPa (5 X 106 psi) and 5.17 GPa (7.5 X 105 psi), respectively? Why or why..
design 2-shell pass and 8-tube pass heat exchanger for heating ethyl alcohol from 25degc to 70degc at a rate of 2.9
a rigid vellel with the volume of 10 m3 contains a water-vapor mixture at 400 kpa at 60 percent quality. the pressure
a structural member is subjected to combined loading so that the fallowing stress occur at a critical point 100 50 40
We are separating ethanol and water. All percentages are mol%. Find the q values and plot the feed lines. a) Feed is 60% ethanol and flashes in the column with v/f=0.37 b)Feed is 40% ethanol and is a two-phase mixture with liquid and vapor in equilib..
Using the parameters of the 50-hp induction motor set forth in this chapter, plot the ratio of power loss divided by torque and the corresponding value of the magnitude of the air-gap flux as a function of slip frequency ωs.
A longitudinal wave propagating in a water-filled pipe has intensity 3.00 X 10-6w/m2 and frequency 3400 Hz. Find the amplitude A and wavelength A of the wave. Water has density 1000 kg/m3 and bulk modulus 2.18 X 105 Pa.
1. what does the area-velocity relationship tell us about flow in a supersonic wind tunnel?2. what is the throat and
Carbon dioxide flows in a horizontal duct at 7 bar abs. and 300 K with a velocity of 20m/s. At a dowstream section, the pressure is 3.5 bar abs and the temperature is 280 K. if 1.4 x 10^4 j/kg of heat is lost by the fluid between these locations.......
The tool shown is used for straightening twisted members as wooden framing is completed. If the force P = 30 lb is applied to the handle as shown, determine the normal forces applied to the installed stud at points A and B. Ignore friction.
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