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A pulley 250 mm in diameter drives a second pulley 1000 mm in diameter by means of a belt. The moment of inertia of the driven pulley is 0.2 kg-m^2. The belt connecting these pulleys is represented by two springs, each of stiffness k. For what value of k will the natural frequency be 6 Hz?
consider the cuau crystal structure. it can be described as a simple cubic lattice with a basis of cu 0 0 0 cu 1 2 1 2
four forces are applied to a W200x35.9 rolled beam as shown. determine the principal stresses and maximum shearing stress at point a.
Beryllium has an HCP unit cell for which the ratio of the lattice parameters c/a is 1.568. If the radius of the Be atom is 0.1143 nm, (a) determine the unit cell volume, and (b) calculate the theoretical density of Be.
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?
25 mw power is produced in a well-insulated steam turbine operating at steady state. the flow rate of steam through the
A body moves through standard air at 200 m/s. What is the stagnation pressure on the body? Assume (a) compressible flow and (b) incompressible flow.
1. for each of the two proposed replacement presses determinenbspa. initial investment.nbspb. operating cash inflows.
the acceleration of gravity g as a function of elevation z above sea level is given by g 32.17 - 3.32x10-6 z where g
advanced stress analysisin all but a very few vehicles today crush or crumple zones are employed as a method to reduce
Find the Temperature of the Refrigerant, A closed vessel with a volume of 2 ft^3 contains 5 lb of Refrigerant 134a. A pressure sensor in the tank wall reads 71.39 lbf/in.^2 (gage).
For this same component and alloy, compute the stress level at which fracture will occur for a critical internal crack length of 6.0mm.
calculate the bulk density of a rock which has 20 porosity. the bulk mineralogy of the rock is 80 quartz 15 calcite and
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