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Relative velocity of S and S
Refer to the note and the sketch in Problem 12.7. An event occurs in S at x = 6×108 m, and in S at x = 6×108 m, t = 4 s. Find the relative velocity of the systems.
A rotor is being designed for a wind turbine. The rotor will have a diameter of D = 70 m. A single airfoil will be used for the length of the blades. The airfoil has its minimum drag to lift ratio when the lift coefficient is 1.0. Two options are bei..
Suggested material and diameter for the shaft. The material must be a shaft-specific steel. All variables required to purchase both gears: d, Pd, N, F, φ, ψ, etc.
The composite steel and brass rod shown is attached to unyielding supports with no initial stress at 25°C. Determine the stress in each segment when the temperature is reduced to -5°C
Calculate the corrosion rate in mpy, pm/y, and mdd. What is the ranking of this carbon steel in this acid environment and determine the effect of time on the solution corrosiveness and the carbon steel corrodibility.
1. A piston-cylinder assembly contains 0.1 lb of propane. The propane expands from an initial state where p1 5 60 lbf/in.2 and T1 5 30°F to a final state where p2 5 10 lbf/in.2 During the process, the pressure and specific volume are related by py2 5..
one kilogram of carbon dioxide co2 gas m 44.01 kgkmol is filled in a frictionless piston-cylinder assembly. the piston
1. An aluminum bar 125 mm (5.0 in.) long and having a square cross section 16.5 mm (0.65 in.) on an edge is pulled in tension with a load of 66,700 N (15,000 lbf), and experiences an elongation of 0.43 mm (1.7 X 10-2 in.). Assuming that the defo..
An oil engine operating on the ideal diesel cycle has the overall compression ratio of 16:1, and the adiabatic expansion ratio or 8.75. The pressure and temperature at the beginning of adiabatic compression are 102.5 Kpa and 297K, respectively and th..
an air conditioner uses r134 the condenser pressure is 1400 kpa and the evaporator pressure is 201 kpa. find the cycle
a gold processor has three mines of gold ore mine a mine b and mine c. in order to keep his plant running at least 200
Derive analytical expressions for the helmoltz free energy fundamental relation of a single component ideal gas F(t, v, n) and for the Gibbs free energy fundamental relation of the same substance G(t,p,n)
Consider a simply supported beam of length 50ft subjected to a uniformly distributed downward load of 10kips/ft from x=10ft to x=40ft and concentrated downward loads of 100kips at x=10ft and x=40ft.
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