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The 65-mm diameter steel shaft is subjected to the two loads that act in the directions shown. if the journal bearings at A and B do not exert an axial force on teh shaft, determine the absolute max
A gas in a piston-cylinder assembly undergoes two processes in series. From state 1 to state 2 there is energy transfer by heat to the gas with a magnitude of 375 kJ, and the gas does work on the pi
Calculate the number of one-liter gas cylinders required to store 1.0 kg of Ethylene gas at room temperature. The gas cylinders are rated for a maximum pressure of 3.0 MPa.
What is the upward force on the glass as a result of surface effects? Constant angle of 50 degrees inside and outside of the tube. The temperature is 20 degrees celsius.
If a football is kicked at a 45 degree angle, determine its minimum initial speed Va so that it passes over the goal post at C. At what distance from the goal post will the football strike the groun
A plastic bag is filled with 1 ft3 of air at 17 degree C at atmospheric pressure. What is volume at 2 atm pressure? What is the volume at 50.5 Pa of pressure?
The acceleration of a particle traveling along a straight line is a=(8-2s) m/s2, where s is in meters. If v=0 at s=0, determine the velocity of the particle at s=2m, and the position of the particle
Which emits more SOx per unit amount of electricity produced: a coal-fired plant with a 90% efficient SO2 scrubber or an oil-fired plant with no scrubber?
The motion of a linkage in a mechanical system is examined by engineers. It has been determined that the velocity of an attachment point.
A container is supported by three cables that are attached to a ceiling as shown. Determine the weight W of the container knowing that the tension in cable AB is 6 kN.
A model rocket, weight 0.50Ibf is launched vertically from level ground. The thrust of its motor is T=3.0Ibf and lasts for 2.4secs. After the motor shuts down, the rocket behaves as a ballistic proj
Calculate the radius of a vanadium atom, given that V has a BCC crystal structure, a density of 5.96g/cm^3, and an atomic weight of 50.9g/mol.
C is to be 37.5 units and is to be directed at 75 degrees. Determine the magnitude of B and its direction in degrees. Scale 1mm=unity.
Determine the constant-pressure molar-specific heat c(subscript p) at 500 K and at 1000 K. Compare the magnitudes of the values at the two temperatures and discuss. Also determine c(subscript p), th
Use the generalized virial equation to speculate whether a small leak in an H2 line at 300 bar and 298 K might raise the temperature of H2 high enough to cause it to spontaneously ignite.
The maximum distance a projectile travels over horizontal ground, neglecting air resistance, is obtained if the initial projectile velocity is at 45° to the horizontal.
What is the pressure at the bottom of a 300 ft tall dam (psi)? And What is the flowrate of a river that must flow through the dam to produce 20(10)^6 watts of power (20 megawatts)?
What is the maximum height of a column of concrete that can support its own weight? Does the radius of the column matter?
A piece of electronic equipment that is surrounded by packing material is dropped so that it hits the ground with a speed of 4 m/s. After the impact the equipment experiences an acceleration of a =
Find the moment of the 12-n force about the origin. The force is parallel to the x-axis and 5cm in the y-direction and 12cm in the x-direction.
At what rate must water pass through the hydraulic turbines of this dam to produce 100MW of power if the turbines are 100 percent efficient?
Derive an expression for the bounding energy Eo in terms of the equilibrium interionic separation ro and the constants D, and p using the following procedure:
f 1 mole/min of a mixture is 75 mol% n-pentane and 25 mol% n-hexane is fed continouosly to equilibrium flash chamber operating at 30 degrees C and 500 mm Hg, what are the flow rates of the liquid an
Two identical asteroids travel side by side while touching one another. If the asteroids are composed of homogeneous pure iron and are spherical, what diameter in feet must they have for their mutua
A cylindrical pressure tank 15 feet long and 40 inches in mean diamater is to be fabricated from .5 inch steel. What is the average shear stress in the adhesive if the pressure on the inside of the ta