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1. Calculate the local skin friction and the local drag coefficient for a plate of length L, using the previous sinusoidal velocity profile.
2. Assuming a velocity profile for the laminar flat plate in the form
develop a relation for the boundary layer (δ/x) as a function of the local Reynolds number by evaluating the von Karm´ an integral equation. Compare with the exact ´ results of Blasius.
a water storage tank initially contains 100000 gal of water. the average daily usage is 10000 gal. if water is added to
a iron has a bcc crystal structure an atomic radius of 0.124 nm and an atomic weight of 55.85 gmol. compute and compare
a spring loaded device imparts an initial vertical velocity of 50 ms to a 0.15 kg ball. the drag force on the ball is
An evacuated 1-ft3 tank is connected by a valve to a nitrogen supply line flowing air at 120 psi and70oF. A valve is opened allowing air to flow into the tank until the pressure reaches 90 psi. How much mass flowed into the tank and what is its final..
A random sample of three bottles is selected from the running conveyor system. When the bottles are inspected, they are either properly labeled or they are not. Rejected bottles are scrapped. The proportion nonconforming is 0.25. What is the probabil..
A voltage signal is produced by a transducer. The signal contains its strongest frequency component at 50 Hz (amplitude = 5.0 V), plus a weaker component at the second harmonic (100 Hz) with amplitude 2.0 V. In addition, there is noise at 60 Hz with..
two cars simultaneosly enter an intersection with 35 degrees between their headings. the car on the left weighs 5000
The rectangular test section of material is slowly loaded with a 450 kN axial load. The original cross-section is 25 mm by 100 mm. The original length is 2 meters. Once fully loaded, the 100 mm side measures 99.96 mm and the length has increased by 2..
a measure of stiffness of a linear actuator system is the amount of force required to cause a certain linear
An object whose mass is 300 lb experience changes in its kinetic and potential energies owing to the action of a resultant force R. the work done on the object by the resultant force is 140 Btu. There are no other interactions between the object a..
Define an anonymous function for the following function. The anonymous function takes three inputs: x, a, and b. Make a plot of the function for x = 0 to 5. Use a = 2 and b = 2. f(x)=(x/a)-sin^b x (2) Repeat the above task with an inline function.
A quartzitic sandstone has a bulk modulus of 47.1 GPa and a shear modulus of 42.8 GPa. Find the values of the other moduli
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