Determine the atmospheric stability for each of the following temperature profiles. show all calculations, plot the data, and explain choices. a. z, m t, oc 2.0 5.0 50.0 4.5 b. z, m t, oc 2.0 5.0 50.0 5.0 c. z, m t, oc 2.0 -21.0 50.0 -25.2 d. z, m t, oc 12. 27.0 280. 19.2

Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.

Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.

Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.