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A body with a plane stress field has material properties E, ν and has the following displacement fieldu(x,y) = a(x^3) - bx(y^2) v(x,y) = c(x^2)y - d(y^3)where a, b, c and d are constants. Determine the following:
(a) σx, σy and τxy as functions of x and y.(b) Is the displacement field compatible?
Fireclay brick of dimensions 0.06 m x 0.09 m x 0.20 m is removed from a kiln at 1600 K and cooled in air at 40oC with h=50 W/m2/K. What is the temperature at the center and at the corners of the brick after 50 minutes of cooling?
An engine block with a surface area measured to be 0.90m2 generates a power output of 55 kW with a net engine efficiency of 35%. The engine block operates inside a compartment at 157oC and the average convection heat transfer coefficient of 60 W/m..
A 1300 car is traveling along a straight road at 18 . Two seconds later its speed is 21. What is the magnitude of the net force acting on the car during this time?
Cantilever Beam with maximum tensile strength. A cantilever beam is to be made using a symmetrical I section beam. The cantilever is to carry a load of 40kN at a distance 2.5m from the fixed end. The situation allows for a depth of I beam to be no..
The velocity at the inlet is controlled so that it changes according to the following expression. V=a-ct^2, where a = 20m/s, c- 0.8m/s. If the tank initially contains 3kg of liquid water, determine the final mass at the end if 4 seconds of flow.
a curved nozzle assembly that discharges water to the atmosphere is shown. The nozzle mass is 4.5 kg and its internal volume is 0.002 m^3. The fluid is water. determine the reaction force exerted by the nozzle on the coupling to the inlet pipe.
A ball with a mass of 0.25 kg is thrown vertically upward with an initial velocity of 10 m/s. What is the velocity of the ball when it reaches the highest point?
Motor coming to rest, A motor is running at 12 rpm and the switch is flipped and cuts the power. The rotor weighs 75 lbs.
What is the discharge revised discharge pressure of the compressor.
Calculating temperature, water evaporation, and heat in a power plant cooling situation. In a nuclear power plant the cooling tower system must be run on a closed cycle.
A successive approximation ADC has 4 bits and a reference voltage of 10 V. If the input voltage is 2.8 V, describe each step the ADC undergoes to determine the value of the 4 bits. What input voltage will be computed by the ADC?
what would be the formula to find out weld pressure adjustments when atm inside the tube is changed?
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