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A lathe can be modelled as an electric motor mounted on a steel table. The table plus the motor has a mass of 50 kg. The rotating parts of the lathe have a mass of 5 kg at a distance 0.1 m from its center. The damping ratio is 0.06 and the natural frequency is 7.5 Hz. Calculate the steady-state displacement of the motor assuming the lathe spins at 30 Hz.
air at a temperature of -7c and 1 atm pressure flows along a flat surface an idealized airfoil at a constant velocity
A tank contains a two-phase liquid-vapor mixture of refrigerant 22 at 10 bar. The mass of the saturated liquid in the tank is 25 kg and the quality is 60%. Determine the volume of the tank, in m^3, and the fraction of the total volume occupied by sat..
a cylindrical workpart 125 mm in diameter and 900 mm long is to be turned in an engine lathe. cutting conditions are v
an object whose mass is 50kg is suspended at rest a height of 68 meters above the surface of the earth. the object is
some engineers have suggested that air compressed into tanks can be used to propel personal transportation vehicles.
a steam turbine receives steam as a dry satured vapor at 7.0 mpa and expands adiabatically to atmospheric pressure 100
pool ball b is to be shot into the side pocket d by banking it off the cushion at c. specify the location x of the
find the complete initial and final states t p v h u and sdeg for the following ideal gas process air at 260 f and 15
one kilogram of ice at -20 degrees c is heated to 0 degrees c and melted. the resulting water is heated to 100 degrees
The top of a car has an area of 4 m2 and is at a temperature of 40 C. It’s speed is 40 mph. At what rate will it lose heat to surrounding air at 10 C if heat transfer coefficient is 400 W/m2C?
as part of a heat treatment process cylindrical 304 stainless steel rods of 100-mm diameter are cooled from an initial
In the paragraphs that follow, answers are provided to a number of key questions about desogestrel-only pills. What is the desogestrel-only pill?
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