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Numerically integrate and plot the response of an underdamped system determined by m = 150 kg and k = 4000 N/m subject to the initial conditions of x0 = 0.01 m and 0 = 0.1 m/s, and the applied force F(t) = Φ(t) = 15 (t -1), for various values of the damping coefficient.
Use this "program" to determine a value of damping that causes the transient term to die out within 3 seconds. Try to find the smallest such value of damping remembering that added damping is usually expensive.
consider steady two-dimensional heat transfer in a rectangular cross section 60 cm x 30 cm with the prescribed
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calculate the force and pressure acting across the pelvis and at the feet of a 150 lbm person. model the body using
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A compressor is employed to compress gas flowing steadily through it. The gas enters the compressor at a temperature of 16°C, a pressure of 100 kPa, and with an enthalpy of 391.2 kJ/kg. The gas leaves the compressor at a temperature of 245°C, a pre..
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A piston-cylinder device contains 12 kg of saturated R-134a vapor at 3.2 bars. An electric source supplies 8 A current to a resistor within the cylinder for 4 minutes and there is heat transfer of 400 kJ to the system. During these energy interaction..
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