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A thin ring of radius R and mass m is suspended from a peg of radius r. Determine the circular frequency of small oscillations about the equilibrium position shown if the ring does not slip on the peg. Assume simple harmonic motion
A uniform bar of length l and weight w is suspended symmetrically by two strings, set up the differential equation of motion for small angular oscillations of the bar about the vertical axis, and determine its period.
Two kilograms of water undergo a process from an initial state where the pressure is 2.5 MPa and the temperature is 400°C to a final state of 2.5 MPa, 100° C. Determine the entropy change of the water, in kJ/K, assuming the process is irreversibl..
A piston-cylinder contains 0.1 kg of superheated steam at 180 ¯ C and 5.0 bars. The piston is frictionless and freely floating. Heat is added until the final volume is twice the initial volume.
determine (a) the force P required to maintain the motion of the plate, knowing that the plate is 20 mm thick, (b) the largest thickness of the plate for which the mechanism is self locking (i.e., for which the plate cannot be moved however large ..
during a test of a metal bar it was foumd that an axial tensile force of 10000 lb resulted in an elongation of 0.023
Will it sink naturally or need to be weighted to stay at the bottom? Determine the required force to keep it in position if it is molded with 125 cm3 of polyethylene.
two streams of r-134a flow into a non-insulated diffuser. stream 1 enters at a pressure of 2 bar and 20?c state 1 with
a two phase liquid-vapor mixture of h2o is initially at 2.0 mpa with a quality of 90 is contained in a rigid well
a rankine cycle is to drive an electric generator to produce 600 mw of electricity. the generator is 95 efficient.the
a model 110 of scale of a tractor-trailer rig is tested in a wind tunnel. the cross section area of the model is 0.1 m2
As shown in Fig. 16.15, the water leaves the cup vertically downward in the form of an annular ring having an outside diameter of 4.00 in and an inside diameter of 3.80 in. Compute the external force required to hold the cup down.
A cylinder filled with oil is under pressure from a piston, as shown in the figure. The diameter d of the piston is 1.80 in. and the compressive force F is 3500 lb. The maximum allowable shear stress τallow in the wall of the cylinder is 5500 psi.
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