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The free-vibration response of a spring-mass system is observed to have a frequency of 2 rad/s, an amplitude of 10 mm, and a phase shift of 1 rad from t = 0 Determine the initial conditions that caused the free vibration. Assume the damping ratio of the system as 0.1.
Water vapor at 100 lbf/in^2, 500 degrees F and a velocity of 100 ft/s enters a nozzle operating at steady state and expands adiabatically to the exit, where the pressure is 40 lbf/in^2. If the isentropic nozzle efficiency is 95%, determine for the no..
Assume that the coefficient of friction of the glass sliding on the tablecloth or sliding on the tabletop is 0.5. (For the trick to be effective the cloth should be pulled out so rapidly that the glass does not move appreciably
fluid a available at 10oc is to be heated in a one-shell-pass four-tube-pass exchanger heat using fluid b available at
the presence of raindrops in the air during a heavy rainstorm increases the average density of the air-water mixture.
a horizontal 500 lb force performs at a point d of crankshaft ab which is held in static equilibrium by a twisting
conventional ceramics have a fracture toughness of about 5 while advanced ceramics may have 20. determine1 how larger
a large coal fired power plant has an efficiency of 45 and produces net 1500 mw of electricity. coal releases 25000
the top cycle of a combined cycle power plant has a pressure ratio of 12. air enters the compressor at 300 k at a rate
a partitioned chamber that is well insulated has frac12 filled with h2o at 500 deg f and 50 psia and the other frac12 a
a16 lb bowling ball is rolling with a velocity of 20 fts toward a ramp that is inclined at 20 degrees to the
If the engine exerts a traction force of 1/8 of the weight of the train, determine the speed of the train when it has traveled up the slope a distance of 1.1 . Neglect rolling resistance.
a flywheel rotating freely at 1800 revmin cw is subjected to a variable ccw torque which is first applied at time t 0.
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