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Repeat the last problem for the case in which the particle moves under the simple harmonic attractive field -(mΩ2r)r^ with the same law of resistance.
Show that, in this case, the body slows down as the orbit contracts. [This problem can be solved exactly in Cartesian coordinates, but do not do it this way.]
a frictionless piston-cylinder device contains 2 kg of nitrogen at 100 kpa and 300k. the nitrogen is compressed in a
consider a rigid tank with a partition such that there are two equal volumes which are known. on one side has water at
starting from rest a cart is propelled by an hydraulic cataputlliquid jet. the jet strikes the curved surface and makes
Consider a system of N independent fermions. Assume that the single-particle Hamiltonians have only two energy levels, with energies 0 and ?. However, the two levels have degeneracies n0 and n1, which are, of course, both integers.
Titanium has an hcp unit cell for which the ratio of the lattice parameters c/a is 1.58. If the radius of the Ti atom is 0.1445 nm. What is the unit cell volume? Calculate the density of Ti and compare it with the literature value?
a balloon filled with helium gas is to be used to lift a military vehicle that weighs 2570 pounds. as learned in class
Calculate the force ratio and movement ratio of each jack and the pressure within the hydraulic fluid.
The oil and water can be regarded as incompressible with constant specific heats of 0.51 and 1.00 Btu/lb ? °R, respectively. Heat transfer between the heat exchanger and its surroundings can be ignored, as can the effects of motion and gravity.
A single-stage ideal regenerative steam cycle has a boiler pressure and temperature of 5000 kPa and 500 C, and a condensing pressure of 10 kPa. The extraction pressure is 500 kPa.
a closed system undergoes a cycle consisting of two processes. during the first process 40 btu of heat is transferred
obtain the finite difference formulation for the nodes
Two options are available for reduction of pressure for superheated R- 134a flowing steadily at 500 kPa and 40oC to a pressure of 100 kPa. In the first option, the vapor is allowed to expand through an adiabatic nozzle with an exit velocity not to ex..
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