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The directions respectively normal and tangential to the weld are s 5 12 ksi and t 5 7.2 ksi, determine the magnitude P of the largest axial force that can be applied to the pipe.
If a new car comes equipped with 0.1-kg of the nuclear fuel U-235, determine if this car will ever need refueling under average driving conditions.
What are the minimum needed launch angle and the corresponding total time of flight. Use base equations v=dr/dt and a=dv/dt and derive equations.
Find the apparent rates of pollution concentration(in ppm/h) if the boat is headed upstream or downstream and cruises at 8 mi/h relative to the water. reapeat the case where the boat is just driftin
A velocity field is given by V = (2XY)i + (X^2)j. Find the accelaration Dv/Dt, and use the euler equation to find the pressure gradient vector.
When placed in an aqueous solution, the block of material floats with 1 in. below the surface. Estimate the specific gravities of the block and the solution.
A fluid film of 0.2 mm thick separates the cube and the plane surface with a contact area of 0.2m^2 . If the fluid viscosity is 0.04 N.s/m^2 , the terminal speed of the sliding cube is?
Determine (a) the work developed by the turbine, in kJ per kg or air folwing, and (b) the temperature at the exit, in K. Ignore kinetic and potential energy effects.
How long did the electric heating system run that night? How long would the electric heater have run that night if the house incorporated no solar heating?
Determine the constants in the Hall-Petch equation and the strength of the titanium alloy when the grain size is reduced to 0.2 x 10-6 m.
Estimate the specific molar volume(s) in cm^3/mol using the Peng-Robinson equation of state for nitric oxide at 150 K temperature and 7.5 bar pressure.
Derive the initial value problem that models B's position on the axis as a function of t (define the Differential Equation and Initial Condition).
A spherical balloon with a diameter of 6 m is filled with helium at 20°C and 200 kPa (absolute). Determine the number of moles of helium and the mass of the helium in the balloon.
Estimate the max. force required for extruding a cylindrical Al billet of 50mm dia and 75 cm long to a final dfiamter of 10 mm. The average tensile yield stress for Al is 170N/mm2.
If the body is released downward from rest at a very high altitude determine the velocity when t=3. Determine the bodys terminal or maximum attainable velocity as ( t goes to infinity).
Determine the magnitude of P if 10 s is required for the package to travel 5 m up the incline. The static and kinetic coefficients of friction between the package and the incline are both equal to 0
Convection coefficient 100 W/m2.K. for both surfaces. If the heater dissipates 10 kW/m² under normal conditions, what is the temperature of the lower plate surface?
A 10-kg mass of R-134a at 1.2 MPA and 70 C is cooled at constant pressure until it reaches a temperature of 20 C. Determine the states at points 1 and 2. Show the process on a T-v diagram with respect
Solution the slider a has a mass of 2kg and moves in a slot in a vertical sliding plate. (i) what horizontal acceleration a should be given to the plate so that the absolute acceleration of the sli
Calculate the heat loss through L=10 mm- thick polycarbonate, soda lime glass, and aerogel windows, respectively. The thermal conductivity of the aerogel and polycarbonate.
If the motorcycle accelerates at 6 ft/s^2 until reaching a velocity of 85 ft/s. How long will it take for him to get 100ft in front of the truck if he starts 40 ft behind the truck and the truck len
A turbine receives 0.1 kg/s of hot air at 55 m/s velocity at 1.4MPa and 900K. The air leaves at 225m/s and 200 KPa and 500K. If the turbine loses heat at a rate of 50KJ/g. Determine the power output
The amount by which the first liquid will fall on the right-hand leg. If density1 is known but density2 is unknown, could the apparatus be used for determing the density of the second liquid?
Water with a density of 62.4 lbm/ft3 enters a 36" diameter cylindrical container at 85 gpm. How much water will exit the tank during this filling process?
Design the machine mounts consisting of a linear spring and a viscous damping device with damping factor of 0.2, so that only 20% of the dynamic force is transmitted to the base of the support.