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An airplane wing modeled as a spring-mass system with natural frequency 40 Hz is driven harmonically by the rotation of its engines at 39.9 Hz. Calculate the natural frequency and the driving frequency of the system.
A piston-cylinder device is insulated and contains 0.005 m3 of saturated liquid water at a constant pressure of l50 kPa. An electric resistance heater inside the cylinder is now turned on, and 1800 kJ of energy is transferred to the steam.
Carbon fibre reinforced polymers (CFRP have been used extensively in aerospace applications due to their excellent strength to weight and stiffness to weight properties.
Make a form tool for lathe for making a convex groove of 3 mm radius. tool material will be tungsten carbide. Know the dimensions of tool.
Describe the four incorrect assumptions concerning robot - arm movement that are most frequently responsible for impact accidents.
You are asked to measure the rate at which waste gases are being discharged from a stack. The gases entering contain 2.1 % carbon dioxide. Pure carbon dioxide is introduced into the bottom.
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 at rest
convert the composition of the following alloy from atom percent to weight percent a 44.8 at of silver b 46.3 at of
steam enters the first-stage turbine shown in fig. 2 at 40 bar and 500degc with a volumetric flownbsprate of 90 m3min.
A short post AB has a commercially manufactured eyebolt screwed into its end. Three cables attahced to the eyebolt apply forces shown.
torsion lab using aluminum cylinderical specimens1 how would a hollow cylindrical specimen of the same lenght and mass
question 1 a force of 750 n acts on point a in the x direction where the cables ab ac and ad are joined as shown in
Calculate the yield stress of the material and the force required to produce yield - determine the bulk modulus of the material.
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