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Critical damping
Find the general solution of the damped SHM equation for the special case of critical damping, that is, when K = Ω. Show that, if the particle is initially released from rest at x = a, then the subsequent motion is given by
x = ae-Ωt(1 + Ωt).
Sketch the graph of x against t.
Calculate the total heat transfer coefficient for the initial condition. What fraction of the total coefficient is contributed by radiation?
The tank air pressure above the water level is 300kPa(absolute) while the atmospheric pressure is 100kPA. Neglecting frictional effects, determine the initial discharge rate of water from the tank.(Density of water=1000kg/m^3)
Neglect inertial forces associated with links and plot the external moment applied to the arm 1 needed to rotate the coupler as a function of the coupler angle of rotation.
Using the general shear formula, calculate the maximum shear stress when the beam is subjected to a maximum shear force of 140 kN.
briefly answer the followinga system consisting of 1 kg of saturated water vapor at 100kpa and 101.3c is cooled unitl
What are the root SSL keys hard-coded within your Web browser of choice? When were these keys created? When do they expire?
A 2000 ft2 house in Boston is being designed with NLC-12,000 Btu/F-day and 150 ft2 of direct gain.
a tank with volume 3.0m3 contains steam at 2mpa and 280 c. the tank is heated until the temperature reaches 440 c. a
A solid shaft of diameter d transmits 80 kW of power at 60 Hz. Given that the yield strength of the material is 250 MPa, determine the value of d that provides a factor of safety of 3 against yielding. Use the maximum distortion energy theory.
1 a vapor power plant operates with water as the working fluid passing through the cycle at a flow rate of 12 kgs. in
Use Carter's deviation correlation to estimate the required metal exit angle given that aparabolic arc camber line is employed with maximum camber at 40% chord. (Note thatsome iteration is needed.)
the drag characteristics of an airplane are to be determined by model tests in a wind tunnel operated at an absolute
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