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The MIT varsity diving team is practicing their back flips on the Z-center's diving boards.The diving boards have a total length of 3 m, width of 0.5 m, and thickness of 0.1 m. The core of the boards is made of a Douglas fir wood with an estimated Young's modulus E of 0.6GN/m2. Let us approximate the diving board as a clamped-free beam, neglecting the springboard support at the midspan of the diving board and the weight of the diving board
A train accelerates uniformly along a straight track and passes three trackside markers. The distance between the first two markers is equal to 0.25 km and between the second and third the distance is 0.4km
a riser in the shape of a sphere is to be designed for a sand casting mold. the casting is a rectanglar plate with
a small household refrigerator is used to cool 20 liters of water initially at 22 degrees c. the cop of the
A beam is being loaded such that the maximum bending moment experienced is 60 kNm, and the maximum shear force experienced is 4 kN. Determine a suitable 'I' section from the datasheet provided if the maximum allowable bending stress in the material i..
This problem concerns the dragging of a solid plate of very long length and width but of infinitesimal thickness at a constant speed V through a slit of width 2d filled with an incompressible Newtonian liquid of constant physical properties, as shown..
Water at 20°C flows past a circular cylinder in cross-flow at a free stream velocity of 0.5 m/s. The cylinder is 0.02m in diameter and has a length of 0.5m in the cross-stream direction. The cylinder is at a temperature of 60°C. Find the rate at whic..
Derive the material index for a torsion bar with a solid circular section. The length L and the stiffness S* are specified, and the torsion bar is to be as light as possible. Follow the steps used in the text for the beam, but replace the bending sti..
a system of propane and n-butane exists in two phase vapor liquid equilibrium at 10 bar and 323 k. the mole fraction
the inside temperature of a furnace is 1300oc and outside wall temperature is 40oc. the furnace wall is made up of 23
What is the composition of the alloy and what is the temperature at which the first solid phase solidifies? (Estimates rounding to convenient numbers are sufficient.)
a thin-walled closed-end cylindrical pressure vessel with spherical end caps is internally pressurized to 500 psi. if
Calculate the net work done per cycle for each case and then plot the thermal efficiency against? on the same plot for each the four values of? Explain why there is an optimum?
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