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A steady flow, steady state air compressor handles 4000. ft3/min measured at the intake state of 14.1 psia, 30.0°F and a velocity of 70.0 ft/s. The discharge is at 45.0 psia and has a velocity of 280. ft/s. Both the inlet and exit stations are located 4.00 ft above the floor. Using the specific flow availability relative to the local environmental (ground state) temperature of 80.0°F and a pressure of 14.7 psia, determine
a. The discharge temperature and the power required to drive the compressor if the process is reversible and adiabatic.
b. The discharge temperature and the power required to drive the compressor if the process is irreversible and adiabatic with a compressor work transport efficiency of 80.0%.
An object of mass 3m0 moves to the right at 0.8c. Calculate its momentum and energy
Find out the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 29.0 degrees below the horizontal.
An oil-filled capacitor has square parallel plates 26{\rm cm} on a side, separated by 0.47{\rm mm}. Find the dielectric constant of the oil
A proton is released from rest at the positive plate of a parallel-plate capacitor, What will be the proton's final speed if the experiment is repeated with double the amount of charge in each capacitor plate
A 4.50 kg package slides 1.30 m down a long ramp that is inclined at 10.8° below the horizontal. Calculate the work done on the package by gravity
A stone is dropped at t = 0. A second stone, with twice the mass of the first, is dropped from the same point at t = 179 ms. How far below the release point is the center of mass of the two stones at t = 386 ms
A simple capacitor is made by placing two spheres of radii p at a distance d>>p apart. Find the capacitance of the system of two spheres
In an aluminum pot, 0.15 kg of water at 100 degrees c boils away in four minutes. find the temperature at the aluminum-steel interface
A basketball rolls without slipping down an incline of angle?. The coefficient of static friction is?s. Model the ball as a thin spherical shell. Find the acceleration of the center of mass of the ball
Identical samples containing 32P are measured for a period of 1 hr in a counter having an efficiency of 44 percent and a negligible background. From a large number of observations, the mean number of counts in 1 hr is (2.93 x 10^4)
A 52.1-kg high-school student hangs from an overhead bar with both hands, What is the tension in each arm when the arms make an angle of 31.00 o with respect to the vertical
Derive an expression for the shift in lambda in the peak wavelength of the planck function for a black body temperature T, corresponding to a small shift in temperature.
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