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1. The uniform bar with end rollers weighs 60 lb and is supported by the horizontal and vertical surfaces and by the wire AC. Calculate the tension T in the wire and the reactions against the rollers at A and at B.
2. The device shown in the figure is useful for lifting drywall panels into position prior to fastening to the stud wall. Estimate the magnitude P of the force required to lift the 25-kg panel. State any as- sumptions.
successive maximum displacements of a spring-mass-dashpot system shown by fig. 19.10 of vector mechanics for engineers
The desire is to raise the temperature of the ambient air from 60 degree F to 350 degrees F. I need to calculate the amount of steam energy in BTU's per minutes and lbs of steam per minute necessary to accomplish the increase in air temperature?
Find the response of systems governed by the following equation of motion for the initial conditions x(0)=1, xdot(0)=-1:
three cstr are to be used in series. the second reactor has a volume twice that of the first and the third reactors.
Calculate the forces in members AB, BG, and GF. Solve for each force from an equilibrium equation which contains that force as the only unknown
Assuming air to be an ideal gas, what would be the mass of air in a classroom of size 20 ft x 15 ft x 9 ft assuming the pressure inside the classroom is 1 atm and the classroom is at a constant temperature of 20^o C . Would the mass of gas inside the..
2 instructors grade on a the curve that is give a fixed percentage of each various leter grades to each of their
an 8 ft3 tank contains air at an initial temperature of 80f and intial pressure of 100psi. the tank develops a small
n2 is described by its state properties of temperature -100 deg c and pressure 10.0 mpa. determine if it is
0.78 kg of helium fills a piston-cylinder device (initial volume of 0.5 m3 which is maintained at an absolute pressure of 240 kPa. Heat is added until the volume doubles. What is the temperature of the helium at the end of the process?
a garden hose attached with a nozzle is used to fill a 20-gal bucket. the inner diameter of the hose is 1 inch and it
a unit mass of an ideal gas at temperature t undergoes a reversible isothermal process from volume v1 to volume v2
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