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Determine the collision probability of the bromine molecules in Problem 1.
Problem 1:
Find the temperature T at which Vmp = c (the velocity of light) for the neon atoms discussed in Examples 1 and 2.
Example 1:
Determine the collision frequency and mean free path for neon at 273 K and 0.113 MPa. The molecular mass of neon is 20.183 kg/kgmole.
Example 2:
Test assumption 7 at the beginning of this section by computing the fraction of neon molecules at 273 K whose velocities are faster than (a) Vmp, (b) Vavg, (c) Vrms, and (d) c (the speed of light). Use the molecular data for neon given in Example 1.
Compute the energy loss in a 90° bend in a steel tube used for a fluid power system. The tube has a 11/4-in OD and a wall thickness of 0.083 in. The mean bend radius is 3.25 in. The flow rate of hydraulic oil is 27.5 gal /min.
Consider a flat plate mounted in the test section of a supersonic wind tunnel – assume the nozzle is perfectly expanded. The plate is at an angle of attack of -10° and the static pressure on the bottom surface of the plate is 1.0 atm. The nozzle thro..
a synchronous orbit about the earth is obtained when the period of the orbit is same as the length of the day. if the
How might the remarkable three-dimensional Taylor instability of Fig. 4.14 be predicted? Discuss a general procedure for examining the stability of a given flow pattern
The results follow. Explain the design of the study and determine whether there is an overall significant difference between the means at a = .05? Why or why not? What are the values of the means? What are the business implications of this study t..
A 50-hp, 230-V shunt motor has a field resistance of 17.7 Q and operates at full load when the line current is 181 A at 1,350 r/min. To increase the speed of the motor to 1,600 r/min, a resistance of 5.3 Q is "cut in" via the field rheostat; the l..
Air at 14.7 psia, 50°F (DB), and 60% relative humidity is first heated to 72°F (DB) and then humidified by introducing water vapor (“steam”). The air leaves the humidifying section at 75°F (DB) and 55% Relative Humidity. Plot the process on a Psychro..
A cannonball is shot from a boat that's initially moving at 3 m/s in the i direction and subsequently strikes the dock at 300 m/s. The cannonball's mass is 5 kg and the boat's mass is 300 kg. Assume that for all the time that the cannonball was being..
A moving bar is traveling along the x axis with constant velocity and is suddenly stopped at the end at x = 0, so that the initial conditions are w(x, 0) = 0 and wt (x, 0) = v. Calculate the vibration response.
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 massive precisely machined 6-ft-diameter granite sphere rests upon a 4-ft diameter cylindrical pedestal as shown in
Two lb of water vapor in a piston-cylinder assembly is compressed at a constant pressure of 250 lbf/in.2 from a volume of 6.88 ft3 to a saturated vapor state. Determine the temperatures at the initial and final states, each in °F, and the work for..
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