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Consider the Newtonian fluid with constant viscosity u and density p flowing between two parallel plates. The plates have a surface area of . The fluid velocity profile is parapolic in shapre and given by Vx=aLy-4ay^2.
What is the shear stress and force exerted on fluid at the two solid surfaces (y=0 and y=L)?
What is the direction of the momentum at the two solid surfaces?
a 12-in radius cylinder of weight 16lb rests on a 6lb carriage. the system is at rest when a force p of magnitude 4lb
electronic components are mounted on the inner surface of a horizontal cylindrical duct whose inner diameter is 0.2 m
In the textbook Sodium and Chlorine are listed as having ionic radii of 0.98 and 1.81 Å respectively. NaCl can form a face-cantered cubic unit cell. What is the lattice constant of such a unit cell?
wind loading is a primary consideration in the design of the supporting mechanisms of billboards as evidenced by many
a robot is on the surface of mars. the angle of the depression from a camera in the robot to a rock on the surface of
a steady two-dimensional velocity field is given by v axi - ayj where a 1 s-1. show that the streamlines for this
an electric motor has a rotor with a mass moment of inertia of 30 ft-lb-s2. what torque is required to accelerate it
For a vehicle in gravitationless space, determine the mass ratio necessary to boost the vehicle velocity by 1600 m/sec; the effective exhaust velocity is 2000 m/sec and the initial total vehicle mass is 4000 kg.
A home has a total of 7.5 KW of lighting and the lights stay on 2/3 of the time. If electricity is priced at 12 cents/KWh, then how much money could be saved annually with a 25% reduction in use?
a refrigerant 134a at 140 kpa and -10 degree celcius is compressed by an adiabatic 16kw compressor to an exit state of
a hydrogen tank 25 cm in diameter and 80 cm in height is charged to 150 atmospheres at room temperature 25 c. a
Write a MATLAB program that can calculate the cross-sectional areas for the rectangle, solid circle, hollow circle, solid semicircle and right triangle shapes. The program should allow the user to enter the dimensions SI and ips units, and give the r..
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