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A particle is constrained to move over a smooth fixed surface under no forces other than the force of constraint. By using Hamilton's principle and energy conservation, show that the path of the particle must be a geodesic of the surface. (The term geodesic has been extended here to mean those paths that make the length functional stationary).
This result has a counterpart in the theory of general relativity, where the concept of force does not exist and particles move along the geodesics of a curved space-time.
The mass of fuel consumed is 2% of the mass of air entering the test section. For these conditions, calculate the thurst developed by the engine tested.
Saturated isobutane vapor at 320 K is contained in a piston-cylinder assembly. It is expanded to 3 bar by a reversible isothermal process. At 320 K, the vapor pressure of isobutane is 6.243 bar. Using the truncated virial equation of state, i.e. with..
A voltage signal is produced by a transducer. The signal contains its strongest frequency component at 50 Hz (amplitude = 5.0 V), plus a weaker component at the second harmonic (100 Hz) with amplitude 2.0 V. In addition, there is noise at 60 Hz with..
12.48 A large room contains moist air at 308C, 102 kPa. The partial pressure of water vapor is 1.5 kPa.
The specific heat at constant pressure of ethylene is approximately 1.71 kJ/kg K over the temperature range of the reactants.
Water enters a boiler at 160 psia as a saturated liquid and leaves at 600 degree F at the same pressure. Calculate the heat transfer per unit mass of water.
saturated liquid water is heated in a steady-flow steam boiler at a constant pressure of 800 psia. no shaft work is
Determine the irreversibility rate of the condenser and the condenser's entrance and exit specific flow availabilities.
Disregarding the weight of the beam, calculate the required width b of the rectangular cross section.
Write Park ' s equations for a synchronous machine represented by three damper windings in the q -axis and two damper windings and a field winding in the d -axis.
coming out of a factory chimney are the following gases co2 so2 o2 n2 h2o with volume percentage to be 13.5 0.3 5.2 76
hemispherical end caps are welded to a cylindrical main body to form a propane storage tank. the tank has an inside
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