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Assume you are given a spherical joint where the ball has a radius of 20 mm and socket has a radius of 22 mm. If the contact load is 50 N, E = 210 GPa, and ν = 0.3, determine (a) the radius of the contact area, (b) the maximum contact pressure.
What is the temperature 7 cm from the base if the rod is made of a) pure zinc b) lead c) pure gold. Which will be the hottest at this point?
find the natural frequencies of oscillation of the double-pendulum below where m1=m2=m, and L1=L2=L.
in a crank or slotted lever quick mechanism the distance between the fixed centre is 150 mm and driving crank is 75 mm. determine the ration of the time taken of cutting & return strake .
The steam from the nozzles of a single wheel impulse turbine discharges with a velocity of 600 m/s at an angle of 20 degrees. The blade wheel rotates at 3000 rev/min and the mean blade radius is 590 mm
Calculate the number of vacancies per cubic meter in gold at 900°C. The energy for vacancy formation is 0.98 eV/atom. Furthermore, the density and atomic weight for Au are 18.63 g/cm3 (at 900°C) and 196.9 g/mol, respectively.
Couette Flow Velocity Distribution, Using the log law, determine the velocity distribution for Couette flow between parallel plates a distance h apart, with U = the velocity of the top plate.
An ideal vapor-compression refrigeration cycle uses R-134a as the working fluid in an air-conditioning system. The refrigerant enters the compressor as a saturated vapor at 40 °F
We're asked to determine the deflection of a beam location for a 2000N load. However the force is directed up the corner NOT centroid.
why are tangent points so important when sketching, drawing on paper with instruments, or using cad?
A tensile specimen of cartridge brass sheet has a cross section of 0.320 in. × 0.120 in. and a gage length of 2.00 in. Calculate the engineering strain that occurred during a test if the distance between gage markings is 2.35 in. after the test.
the lower end of the 30 kg slender rod is displaced a small amount and released from the rest. determine the natural frequency of vibration. the springs have stiffness of 500 N/m and they are stretched when the rod is hanging vertically.
what is the effect of quenching on the transition temperature and toughness for the mild steel ?
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