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A vibrometer has an undamped natural frequency of 10Hz. and damped natural frequency of 8 Hz. Find the lowest frequency in the range to infinity at which the amplitude can be directly read from the vibrometer with less than 2 percent error.
if a car pasess point a with a speed of 20 ms and begins to increase its speed at a constatnt rate of atangential 0.5
Five kg of water is contained in a piston–cylinder assembly, initially at 5 bar and 240°C. The water is slowly heated at constant pressure to a final state. If the heat transfer for the process is 2960 kJ, determine the temperature at the final state..
steam at a rate of 5 lbms enters an adiabatic turbine at 800 psia 1000 f and leaves at an actual condition of 10 psia
design a double-reduction gear train that will transmit 7.45 kw from an electric motor running at 1750 rpm to an
a straight fin of uniform cross section is fabricated from a material of thermal conductivity k 5 wmk thickness w 20
a 250ft square shell and tube heat exchanger was purchased for 13500 in 1994 when the index value was 830. estimate the
Which of the following variables does not determine the microstructure of an alloy?
air enters the compressor of a gas-turbine engine at 300k and 100 kpa where it is compressed to 700 kpa and 580k. heat
electric space heaters for home use commonly utilize a ceramic filament as the heating element. list the mechanical
Air is compressed adiabatically from p1 = 100 kPa, T1 = 300 K to p2 = 1500 kPa, v2 = 0.1227 m3 /kg. The air is then cooled at constant volume to T3 = 300 K. Assuming ideal gas behavior and neglecting kinetic and potential energies, calculate the work..
a thin metal plate is insulated on the back and exposed to solar radiation on the front surface. the exposed surface of
starting from rest a particle moving in a straight line has anacceleration of a 2t - 6 ms2 where t is inseconds. what
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