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Consider a material whose molecular electron clouds each have l = 2,s = 1/2; there is no spin--orbit coupling. A mole of this material is at 295 K and in a field of strength 10-4 T.
(a) What is the Curie constant for this material?
(b) What is its magnetic moment?
(c) What is the average magnetic moment per molecule?
the surface of a steel gear made of 1020 steel 0.20 wt c is to be gas-carburized at 927 deg c. calulate the carbon
Your rich godfather has offered you a choice of one of the three following alternatives: $10,000 now; $2,000 a year for eight yeaers; or $24,000 at the end of eight years
a rigid tank initially contains 3 kg of air at 500 kpa 290k. the tank is connected by a valve to a piston-cylinder
Write an M-file to solve an equation with the bisection method and with the secant method to a desired accuracy precision. Request upper and lower limits for bisection (you may assign a step size or request an input value)
Write a subroutine WILSON for implementing the Wilson method. Use this program to find the solution of Example 11.7.
consider a gas-turbine power plant whose pressure ratio is 8. the isentropic efficiencies of the compressor and the
suppose a cube of aluminum which is 1.00 cm on a side accumulates anet charge of 2.50 pc. a what percentage of the
Express 310 kPa in mm-Hg (millimetres of mercury). (Calculate this using SGHg = 13.6.) Blood pressure that is below about 120/80 mm-Hg is often considered normal. What do these two numbers indicate? Are these absolute pressures or gage pressures?
a fan is used to accelerate quiescent air to a velocity to 12ms at a rate of 3m3min. if the density of air is 1.15kgm3.
Air flows isentropically through a convergent-divergent passage with inlet area 5.2 cm^2, minimum area 3.2cm^2 and exit area 3.87 cm^2. At the inlet the air velocity is 100m/s, is 680 kPa, and temperature 345 K.
A continuously variable drive can be designed by mounting a few of such devices on the same shaft and using the control link to change the position of the adjustable pivot.
Determine the n- and t-components of the force F which the spring of modulus k = 1.4 kN /m exerts on the pin. The distance r = 400 mm.
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