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A damped system is driven by a harmonic force F(t)=18 sin(12t). The system has a mass of 17.5 kg and damping constant of 42 N/s/m.
a) Determine the spring constant k which produces maximum amplitude response. Also find out the maximum amplitude; (b) If k = 4 kN/m, how much is the steady state amplitude?
a cylindrical metal specimen having an original diameter of 11.05 mm and gauge length of 51.7 mm is pulled in tension
Calculate adiabatic flame temperature butane (C4H10) burning in air at 298 k and 1 atm, assuming complete combustion and constant specific heats
1 one mole of a monatomic ideal gas is subjected to the following sequence of stepsa. starting at 300 k and 10 atm the
Nitrogen flows steadily through a pipe with a constant cross-section area of 6cm^2. The nitrogen enters the pipe at 500 kPa and 50 degrees Celsius with a velocity of 15m/s. The nitrogen leaves the pipe at 200 kPa and 25 degrees Celsius. Assume that t..
an elevated open stairway like the one in the sac is designed to be supported by four steel rods connecting the
a piston-cylinder assembly contains 1kg of water initially occupying a volume of 0.5m3 at 1bar. energy transfer by heat
jus before it lifts off a 10500 kg airplane is traveling at 60 fts. the total horizontal force exerted by the planes
A rigid vessel contains 10 kg of steam. The steam is initially at 10 bar and 300C. After a period of time the pressure in the vessel is reduced to 1 bar due to heat transfer with the surroundings. The surroundings are at a constant temperature of 20C..
there are three phases in a reservoir oil gas and water. assuming that all pores are occupied by fluids and the volume
an industrial machine of mass 453.4kg is supported on springs with a static deflection of 0.508cm. the machine has a
A table shows values of a force function f(x), where x is measured in meters and f(x)in newtons. Use Simpson's Rule to estimate the work dome by the force in moving an object a distance of 18m
For plain carbon steel and convection (h=50 W/m^2 K) to air at 500K, Ti=300k, with a slab geometry 0.2 m thick (2L), find Boat Number. For a Fourier number (based on l=0.1m) of 0.1, is the tearm series valid? Find the time
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