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When theta=0 degrees , the assembly is held at rest, and the torsional spring is untwisted. If the assembly is released and falls downward, determne the angular velocity at the instint theta=90. Rod Am has a mass of 6 kg, and disk C has a massof 9 kg. Length of AB is 450mm, the radius of the disk is 75mm, k=20 Nm/rad
The 3.5mg engine is suspended from a 500 kg spreader beam and hoisted by a crane which gives it an acceleration of 4m/s^2 when it has a velocity of 2m/s. determine the force in chains AC and AD during the lift.
Assume the plane is flying at an altitude of 32,810 ft (10 km), where the temperature is -8 C and the pressure is 250 mb. The Pitot-static tube measures a piezometric pressure difference corresponding to 1.206 psi. What is the airspeed in both m/s..
The 30-Mg freight car A and 15-Mg freight car B are moving toward each other with the velocities VA= 20 km/h to the right and VB= 10 km/h to the left. the spring constant on car A is k= 3MN/m.
A separatist Droid Army bettlestation is damaged during an intense battle over Coruscant, and it begins to fall towards to planet with an acceleration of s' = -gR^2/s^2 where s is the bettlestation's distance from Coruscant's center
where u(t) is in vehicles per minute and t is in minutes. When will the queue clear?
A micro-channel of diameter 0.5 mm and length 750 mm is connected to a plenum. A fan produces a negative gage pressure of -1.5 inch H2O in the plenum and draws air at 20oC into the micro- channel.
An elbow, 90 degrees smooth bend flanged, is used in the Alaskan pipeline. Inside pipe diameter is 48 inches. Flow is 1.6 million barrels a day. 1 barrel=42 gal. Velocity is 8.27 ft/s. SG=0.93
Determine the compositions and quantities of gas and liquid when 1 lb mole of a mixture of 30 mole percent methane and 70 mole percent ethanol is brought to equilibrium at 0 F and 500 psia.
The stream from a gas well is a mixture containing 50 mol % methane, 10 mol % ethane, 20 mol % propane, and 20 mol % n-butane. This stream is fed into a partial conderser maintained at a pressure of 250 psia
write computer code using Matlab that emoloyes the nelder and mead simplex method to solve the welded-beam design (benchmark problem
How do you find the force ratio equation to determine the maximum total load that can be applied to a truss?
Consider tetrachloroethene (PCE) in water. The vapor pressure of PCE is 0.0251atm. Henry's constant for PCE at 25°C is 26.9 atm-L/mol. Estimate the aqueous concentration of PCE in water at equilibrium
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