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Starting with the general form of conduction equation in three dimensions, find the one dimensional steady differential equation with internal generation. Then find the general solution.
An Al cube (0.1m on each side) is initially at a temp of 300 C. The cube is immersed in a fluid at 100 C. Calculate:
An amplifier circuit has a gain of 85 dB. If the magnitude of the input voltage to the amplifier is12 mV, what is the output voltage magnitude?
If the peak of the trajectiry is at 8 km from the launch origin. Point A is elevated 600 Ft above the origin. Determine the magnitude of the impact velocity when the projectile lands.
A car is traveling at a constant speed of 35 mph. What is the normal component of acceleration of the car at the top of the hill if the radius of curvature is 320 ft?
Determine the total power (in kW) that is required to pump 1000 L/min if the pump is 60% efficient and is driven by a 90% efficient motor.
The surface of the pool is 70 m above the surface of the lake. Determine the mechanical power used to overcome frictional effects in the piping.
0.5002 m along the datum line, 0.4999 m and 0.5001 m along lines 45° and 90° from the datum line, respectively. Determine the Principal stresses.
Write the differential equation, and identify the boundary and initial conditions that could be used to determine the temp distribution T(x,t) as a function of position and time.
The record low sea-level barometric pressure ever recorded is 25.8 in. of mercury. At what altitude in the standard atmosphere is the pressure equal to this value?
Water at 400kPA with a quality of 25% has its temperature raised 20c in a constant-pressure process. What is the new quality and specific volume?
Determine the inner diameter of the bones cross section at C. (The 2 1200N forces are pullling the bone apart at ends A and B, with the gauge at C in the middle of the length of the bone)
Assume frictionless surfaces and let g=9.81 m/s2. Determine the magnitude and direction of the constant force R, in N.
A short cylindrical block of 6061-T6 aluminum having an original diameter of 25 mm and a length of 125mm is placed in a compression machine and squeezed until the axial load applied is 8kN.
What would be the percent change in deflection if a solid rectangular beam has its unsupported length changed from 30 inches to 36 inches?
Which has the larger Area Moment of Inertia, a 2" x 2" square beam of high strength stainless steel or a 2" x 2" square beam of balsa wood?
Derive an equation calculating the efficiency of the power generator in converting the chemical energy to electricity with the known efficiency of gasoline engine and generator.
Estimate the charge on the outside surface of a liposome of diameter 1 um. Suppose a typical phospholipid head has a diameter of 1 nm and carries a charge of one proton (1.6021 x 10^-19 C).
List the forms of energy transfer involved in this system. The heat transferred from the Benson burner to water during this process?
The valve is now opened and, the water in both A and B comes to a uniform state at state 2. Find the initial mass in A and B. If the process results in T2 = 200°C, find the heat transfer and wo
To what temperature should the R-22 be heated to lift the piston? Draw the process from initial state to lifting on P-v and T-v diagrams.
The air is initially at 100 kPa and has temperature 30°C with a volume of 10 m3. How long will it take to reach an air temperature of 0°C?
The frictionless piston has a mass of 16 kg. Heat added until the temperature reaches 400 Celcius if the initial x is 20%. Find P initial, H2O mass, Quality (x) when piston hits the stops.
Calculate the rate of kinetic energy of air exiting the blower in unit of J/s? The efficiency of this blower in converting electrical energy to kinetic energy of the exiting air?
Determine the force that needs to be applied on the play to maintain this motion. the plate is 1 mm from the stationary wall and 2.6 mm from the moving wall.