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In the equilibrium position shown, the two springs attached to the rim of the disk are undeformed. Determine the natural circular frequency of the disk for small oscillations by the energy method. Use the following data: W = 180 N, R = 0.6 m, k = 0.5 m (radius of gyration about G), k1 = 450 N/m, and k2 = 600 N/m.The mass center of the unbalanced disk of weight W is located at G
develop from first principles a process equation for a wire extrusion operation for producing round copper cable. make
The electric and magnetic field intensities at a general point in space for a given current. All monopoles carry identical currents.
let us consider a solar powered water heater. the solar collector surface is coated with black chrome whose emissivity
Using the appropriate table, determine the indicated property. In each case, locate the state on sketches of the T-v and T-s diagrams. Include the vapor dome on the diagram. (a) Water at p = 0.20 bar, s = 4.3703 kJ/kg.K. Find h, in kJ/kg. (b) water a..
The electrical conductivity of the pipe ke is constant over the temperature range of interest. The local rate of electrical heat production Se is then uniform throughout the pipe wall.
The compressor and turbine of a simple gas turbine each have isentropic efficiencies of 80%. The compressor ratio is 12. The minimum and maximum temperatures are 290 K and 1400 K, respectively. On the basis of an air-standard analysis, compare the va..
Using constant specific heat method
French physicist Jean-Bernard-Leon Foucault (1819-1868) predicted ´ that a pendulum could be used to prove the rotation of the earth. In 1851, a 67 m pendulum with a 28 kg bob was constructed in Paris (latitude 48? N). Estimate the rate of rotatio..
why is the correct tightening of friction grip bolts important?
a gas within a piston-cylinder assembly undergoes a thermodynamic cycle consisting of three processesprocess 1-2.
Neglect the effect of flow rate on F′. The collector has a heat loss conductance of 4 W/m2°C.
Water is heated in a closed pot on top of a stove while being stirred by a paddle wheel. During the process, 30 kJ of heat is transferred to the water, and 5 kJ of heat is lost to the surrounding air. The work done amounts to 500 J. determine the fin..
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