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The probability of a linear molecule being in a particular rotational level J depends on the temperature, and for J 7 0 there is a temperature Tmax at which the probability for that level reaches a maximum. Derive an expression for Tmax as a function of J and the rotational constant B, assuming that kBT W B. THINKING AHEAD [Once we have an expression for T as a function of J, how do we Find Tmax?
a helicopter gas turbine requires an overall compressor p.r. of 101. this is to be obtained using a two-spool layout
estimate the velocity with which you would contact the ground if you jumped from an airplane at an altitude of 5000 ft
A damped system is driven by a harmonic force F(t)=18 sin(12t). The system has a mass of 17.5 kg and damping constant of 42 N/s/m. Determine the spring constant k which produces maximum amplitude response. Also find out the maximum amplitude; (b) If ..
An old 3000-lb gun fires an 18-lb shell with an initial velocity of V0=1500ft/s at an angle of 30 degrees. The gun rest on a horizontal surface and is free to move horizontally. Assuming that the varrel of the gun is rigidly attached to the frame and..
a double-acting cylinder has a piston with a diameter of 25 mm. the piston rod is 5 mm in diameter and pressure is
in the recent years the united states produced 50.8 percent of its electricity in the amount of 1.6181012 kwh from
Solar irradiation in parts of California exceeds 9 kWh/m2 /day (32 million MJ/km2 / day).
The stators in a gas turbine are designed to increase the kinetic energy of the gas passing through them adiabatically. Air enters a set of these nossels at 270 psia and 795 F with a velocity of 97 ft/s and exists at 200 psia and 550 F. Calculate the..
three equal charges of magnitude q6.00 uc are located at three corners of a square edge length d2.9 cm. a negative
Indicate how PWM is useful in the control of dc motors. List the advantages and disadvantages of PWM.
Medicine. One leukemic cell injected into a healthy mouse will divide into 2 cells in about day. At the end of the day these 2 cells will divide into 4. This doubling continues until 1 billion cells are formed; then the animal dies with leukemic c..
a sphereical interplanetary probe of 0.6-m diameter contains electronics that dissipate 170 w. if the probe surface
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