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A rotary pendulum, shown in Figure 11.30, is composed of a uniform disk of radius R and a thin uniform rod of length l and mass mr, pinned by its end to the edge of the disk. The rod swings in the plane tangent to the edge of the disk. Assuming the disk has a moment of inertia J about its center, find the equations of motion of this system.
a thermocouple outputs a voltage that is linearyl proportional to temperature. it is used to measure an input signal
a mechanical engineer who recently graduated with a masters degree is contemplating starting his own commercial heating
A simply supported wide-flange beam of span length L carries a vertical concentrated load P acting through the centroid C at the midpoint of the span (see figure). The beam is attached to supports inclined at an angle α to the horizontal.
What is the eutectoid temperature of this alloy? What is the eutectoid composition? What is the proeutectoid phase?
Calculate the average mass transfer convection coefficient hm for the evaporation process. Calculate the average heat transfer convection coefficient h. Do the values of hm and h satisfy the heat-mass analogy?
Note that the free-body diagram of the sphere should include its weight acting down and the buoyant force and the drag force acting up. The steel has a specific gravity of7.83. See also Chapter 2.
water in a pistoncylinder is at 101 kpa 25 c and mass 0.5 kg. the piston rests on some stops and the pressure should be
When does a 2x2 orthogonal matrix Q with det(Q) = 1 describing a 2 dimensional rotation have real eigenvalues and eigenvectors?
Boeing decides to make a wing component from an aluminium alloy. This material is known to have a plane strain fracture toughness of 45 MPa m^(1/2). During component analysis, it was determined that the processing technique produced materials exhibit..
A plane can fly 305 mph in still air. If it can fly 185 miles downwind in the same amount of time it can fly 120 miles upwind, find the velocity of the wind.
1. calculate the magnitude of the moment about the base point o of the 600 n force.2. the coefficient of static and
Describe several Web 2.0 technologies. Which technologies have you personally used before? Describe your experiences with several Web 2.0 technologies. What did you like about them? What did you dislike about them?
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