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A pendulum consisting of a bob of mass m is suspended from a massless inextensible string of length L in a viscous fluid. The retarding force due to the fluid is proportional to the square of the velocity of the pendulum. Call the constant of proportionality k. Derive the equations of motion for the pendulum.
Find the transfer function for the following impulse response
problem 1heat is being generated uniformly throughout a sphere at volumetric rate 4. the radius of the sphere is r and
natural gas at 70 f and standard atmospheric pressure of 14.7 psi is compressed isentropically to a new absolute
In the gear-and-shaft system shown, the shaft diameters are dab= 2 in. and dcd=1.5 in. Knowing that G = 11.2 x10^6 psi, determine the angle through which end d of shaft cd rotates.
a circular cylinder of tantalum with an initial diameter of 3.1 mm is fired at a target. during impact the base of the
find omega3 va vb and vc of the mechanism below using the instant center graphical method. develop the linear graph and
a 12 ft by 12 ft square room has one exterior wall with a surface temperature of 58f and three interior wall surface
Is there an economic case for renewable energy? This issue was recently a "hot topic" in the news, and you are referred to the following newspaper article for a representation from the media.
water is the working fluid in an ideal regenerative rankine cycle with one open feedwater heater. steam enters the
the adjoining figure illustrates a piston-cylinder arrangement. this cylinder contains helium at 21oc and 1.379 mpa.
Calculate the force required in direct extrusion of 1100-O aluminum from a diameter of 6 in. to 2 in. Assume that the redundant work is 30% of the ideal work of deformation, and the friction work is 25% of the total work of deformation.
the hot gas supply to a propulsion nozzle is at a pressure of 55kpa and temperature of 800k. the ambient pressure is
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