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A disk-shaped flywheel, of uniform density r, outer radius R, and thickness w, rotates with an angular velocity v, in rad/s. For a steel flywheel rotating at 3000 RPM, determine the kinetic energy, in N ? m, and the mass, in kg, if R 5 0.38 m and w 5 0.025 m. Determine the radius, in m, and the mass, in kg, of an aluminum flywheel having the same width, angular velocity, and kinetic energy.
1. a face-milling operation is performed to finish the top surface of a steel rectangular 5 workpiece 12.0 in long by
a large fireplace in a ski lodge has a glass firescreen which covers a vertical opening in the fireplace. the opening
two kilogram of water initially at 200 degc and 0.4 mpa undergoes an isothermal internally reversible compression
the initial temperature is 152o c. air expands as an ideal gas from 10 bar and the above temperature to 1 bar in
Determine the smallest horizontal force required to pull out wedge A. The crate has a weight of 200 and the coefficient of static friction at all contacting surfaces is = 0.7. Neglect the weight of the wedge.
Irrigation system
Cooling/Dehumidification of an air stream, A 1000 m3/minute air stream at atmospheric pressure is at a temperature of 82.2oC and a humidity of 60%. We want to cool the air + water vapor to 8.9oC to condense the water vapor.
problem 1 a 2.5 lbf block b is moving with a velocity vo of magnitude vo 6fts as it hits the 1.5 lbf sphere a which is
part-1link parametersbull a draw a cad model of an rr link shown in fig.you may represent an r joint as in fig or using
the ball at is kicked such that 60 . if it strikes the ground at having coordinates 25 -25 determine the speed at
the 10-kg mass a is moving at 5 ms when it is 1 m from the stsaionary 10 kg mass b. the coefficiient of kinetic
Determine (a) the turbine work output, in kJ/kg, and (b) the thermal efficiency of the cycle. Also, show the cycle on a T-s diagram with respect to saturation lines.
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