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An automobile exhibits a vertical oscillating displacement of maximum amplitude 5 cm and a measured maximum acceleration of 2000 cm/s2.
Assuming that the automobile can be modeled as a single-degree-of-freedom system in the vertical direction, calculate the natural frequency of the automobile.
Consider a 0.25-m-long vertical plate that is at 70°C. The plate is suspended in quiescent air that is at 25°C. Estimate the velocity boundary layer thickness and maximum upward velocity at the trailing edge of the plate.
Determine the reactions that are created when the frame is connected to the support and the uniform load is applied to tnember Be praw the shear and moment diagrams and sketch; the deflected shape.
Consider a material composed of equal volumes having different yield strengths, YB = 1.5YA, but the same elastic moduli, EA = EB. Assume that during strain- ing both regions undergo the same strains (εA = εB ) and that there is no strain- hardening i..
Water is ?owing in a 2-cm-diameter pipe with a ?ow rate of 0.0002 m3=s. For an entrance that provides a uniform velocity pro?le, estimate inviscid core length and the entrance length if the water temperature is (a) 20, (b) 40, (c) 60, and (d) 80-C..
A saturated mixture of water at 1,100kPa is throttled (in a throttling process) to a temperature of 105 degrees C and a pressure of 100kPa. What is the quality of the steam in its initial state?
a prismatic bar is subjected to loads that cause uniform axial strains epsilon0.002 in its left half and epsilon-0.004
refrigerant -134a at 800kPa and 25 C is throttled to a temperature of -20C. determine the pressure and the internal energy of the refrigerant at the final state.
an electric current of 0.25 a flows through a 5-ohm electrical resistor placed in an evacuated chamber. the resistor is
A tensile specimen of cartridge brass sheet has a cross section of 0.320 in. × 0.120 in. and a gage length of 2.00 in. Calculate the engineering strain that occurred during a test if the distance between gage markings is 2.35 in. after the test.
1 given water vapor at 200 bar and 470oc.find the compressibility factor using a the generalized compressibility chart
create a seven by seven matrix with random numbbers between 1 and 70. outpput a vector of the difference between the
During an expansion process, the pressure of a gas changes from 10 to 97 psia according to the relation P = aV + b where a = 5.1 psia/ft3 and b is constant. If the initial volume of the gas is 7.6 ft3, calculate the work done during the process.
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