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1. Suppose you have three spheres of cork, aluminum, and lead, each with diameter 1.5 cm. You drop all three spheres into a cylinder of water. Explain the different behavior of the three spheres upon their release.
2. A solid brass sphere of diameter 11.0 in is lowered into the ocean to a depth of 10,000 ft. Determine the change in diameter, the change in volume, and the strain energy of the sphere due to hydrostatic pressure.
the electric heating systems used in many houses consist of a simple duct with electrical resistance wires. air is
Knowing that the bullet becomes embedded in the bar and that the maximum angle of rotation of the bar in its subsequent motion is 45° clockwise determine the speed of the bullet before theimpact.
a thin plate heater is attached to the higher surface of 8 mm thickness aluminum horizontal plate which has thermal
the jet engine mass m 400kg of a passenger airplane is attached to the planes wing by a connector that has an
a hollow shaft with outer and inner diameters respectively equal to 60mm and 25mm rotates at 240 rpm. determine the
the conveyor carries cartons down five meters to the first floor delivery room on rollers. the radius of the conveyor
The 160-N weights of the arms AB and BC of the robotic manipulator act at their midpoints. Determine the sum of the moments of the three weights about A.
1 draw a mohrs circle diagram properly labeled for the following plane stress statesigmax -8 mpasigmay 7 mpatauxy 6
an ideal vapor compression refrigeration cycle that uses r-134a maintains a pressure in the condenser of 1000kpa and
steam at 1.4 mpa and 350 c enters an adiabatic turbine at a rate of 450 kgh. the turbine has an adiabatic efficiency of
The static equilibrium position of a mass less rigid bar hinged at point O and connected with spring's k1 and k2 is shown. Assuming that the displacement results from the application of a force F at a point A, find the equivalent spring constant of ..
A piston-cylinder device contains 12 kg of saturated R-134a vapor at 3.2 bar. An electric source supplies 8 A current to a resistor within the cylinder for 4 minutes and there is heat transfer of 400 kJ to the system. During these energy interactions..
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