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1. Contact four people at your school who use information systems. List their positions, the systems they use, and the business functions they perform.
2. Research newspaper, business magazine articles, or the Web to find IT companies whose stock is traded publicly. Choose a company and pretend to buy $5,000 of its stock. Why did you choose that company? What is the current price per share? Report each week to your class.
Conductor (wall) losses. A rectangular waveguide is made of aluminum, which has conductivity of 3.6 x 107 S/m. The walls of the waveguide are thick and the internal dimensions are a = 25.4 mm and b = 38.1 mm. Assuming the waveguide is empty (free ..
one kilogram of ammonia initially saturated vapor at -4degc undergoes a constant volume process to a final pressure of
Calculate the equivalence ratio, the maximum pressure and temperature achieved during the cycle, and also the composition (by volume) of the dry exhaust gas.
air compressor is used to compress 0.03 kgs atmospheric air from 1 bar and 25oc to 10 bar. if the compression process
Calculate the moment of inertia Id for a W 12 × 50 wide-flange section with respect to a diagonal passing through the centroid and two outside corners of the flanges. (Use the dimensions and properties given in Table E-1.)
a piston-cylinder device containing water undergoes a thermodynamic cycle consisting of the following three
How could the sign of the modulating signal be accounted for during demodulation in each of these types of modulation?
A blue spruce pine tree has the shape of a triangle which is 15 cm off the ground. The triangle has a maximum diameter of 6 m and is 10 m tall. Estimate the drag on the tree if it is exposed to a 25 m=s wind. Use CD¼ 0.4 in your calculations.
two radio waves are used in the operation of a cellular telephone. to receive a call the phone detects the wave emitted
what is the pressure difference over the manometer in newtons per meter?
The gravitational acceleration also changes with altitude as g(z) = g0/(1 + z/6,370,320)2where g0= 9.807 m/s2and z is the elevation from sea level in m. Obtain a relation for the variation of pressure in the troposphere
a body is in sliding contact with an unlubricated horizontal surface and is horizontally constrained by a spring. the
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