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Two 5 cm diameter, 15 cm long aluminum bars (k = 176 W/m*K) with ground surfaces are pressed against each other with a pressure of 20 atm. The bars are enclosed in an insulation sleeve and , thus heat transfer from both lateral surfaces is negligible. If the top and bottom surfaces of the two-bar system are maintained at temperatures of 150 C and 20 C respectively, determine the rate of heat transfer along the cylinders under steady conditions and the temperature drop at the interface.
the horizontal roof of a building is coated with black tar. the roof is well-insulateed underneath while the upper
an element of material is subjected to the following state of stress.sigmax-40 sigmay100 sigmaz30tauxy-50 tauyz12
the system is released from rest with no slack in the cable and with the spring stretched 100 mm. determine the
a boiling-water-type nuclear fission reactor has shut down the backup pumps have failed and emergency cooling water
Analysis of the motion of swing including velocity and acceleration plots of all moving parts and projectile analysis of projectile eg: flight path, horizontal distance, deceleration and launch velocity
A luge and its rider, with a total mass of 98 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 39 m/s.
what is the velocity of the cart when the bullet becomes embedded int he terget? during the firing, the man remains at the same position on the cart. neglect rolling resistance of the cart.
determine the optimal pressures, temperatures, and fraction of steam extracted to maximize thermal efficiency.
a wad of clay mass m1 with an initial horizontal velocity v1 hits and adheres to the massless rigid bar which supports
a beam having the cross-section shown is subjected to the a vertical shear v.nbspdetermine a the horizontal line along
air enters the compressor of an air-standard brayton cycle with a volumetric flow rate of 60 m3s at 0.8 bar 280 k. the
Using the knon height and calculated base lenghth, what is the length of the slope of the ramp.
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