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Iron atoms have mass 9.3 × 10-26 kg and are bound in place by electrostatic forces with an effective force constant κ = 2 N/m.
(a) What is the fundamental frequency of vibration for these atoms?
(b) What is the excitation temperature?
(c) At a temperature of 20 K, is the separation of neighboring states large or small compared with kT?
Clearly identify and justify the criteria used for the comparison and the logic behind the scoring process. Prepare a 15-minute briefing and an executive summary suitable for a conference with your local congressperson.
An important application of micro fluidics is in the area of electro kinetic separations, in which an electric field is applied along the length of a micro channel to generate differential velocities for various components (molecules, nano particles,..
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A compressed air tank contains 5 kg of air at a temperature of 80 0c. A gage on the tank reads 300 kPa. Determine the volume of the tank.
liquid octane c8h18 is burned in the constant pressure adiabatic combustor of an aircraft engine with 40 percent excess
The pulley system shown is at rest when the motor M starts pulling in rope so as to lift the 119 lb cargo C. For the first second of operating, the motor is able to produce a tension in the rope of the form F0(1+t/T) where F0=40 lb. Neglect the inert..
The two bids were for S4 million and S7 million, respectively. Both bids were bona fide, meaning they were real offers. What is the market value of the company? What is its book value?
Determine the drag force imparted to the top surface of the flat plate of Example 6.4 for water temperatures of 300 K and 350 K. Assume the plate dimension in the z-direction is W = 1 m.
Given values of the diffusion coefficient for carbon in iron at 850°C and 950°C, we can calculate the activation energy for the diffusion of carbon in iron. the activation energy for vacancy migration in copper, we can calculate the activation energy..
a man having the mass of 73 kg sits in the chair which is pin-connected to the frame bc. if the man is always seated in
Steam at 3 MPa,400 degree Celsius is expanded to 30 kPa, 92 percent isentropic efficency.The mass flow rate is 2 kg/s. Determine (a)the power output.
A second-order differential equation x"+9x with initial conditions x(0) = 2 and x'(0) = 0. A first-order differential equation x' + 2x = e^-5t with no initial conditions ( x(0) = x'(0) = 0). Given the differential equation x"+ 6x = f, where f(t) is t..
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