Numerade

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The 100 lb force swings from horizontal direction (x-direction) to vertical (negative y-direction). Given the material has the properties: $S_y$ = 60 ksi, $S'_n$ = 20 ksi and the diameter of the bar is 1.0 in. (see other section properties in the figure), determine safety factor based on the stresses at points A. d = 1.0 in. r = 0.5 in. A=7.85 x $10^{-1}$ $in^2$ I = 4.9 x $10^{-2}$ $in^4$ J = 9.8 x $10^{-2}$ $in^4$ in 100 lb y 100 lb 8 in. C

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Which of the following brain abnormalities has NOT been observed in individuals with an eating disorder? increased stress-induced neuroinflammation reduced gray matter in the cerebral cortex increased thickness of the cerebral cortex reduced overall brain size

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5.1 If the Lagrangian $ L=L_{o}+L_{1}+L_{2}+\cdots $, where $ L_{r} $ is a homogeneous function of degree $ r $ in $ \dot{q}_{i} $ with coefficients as any function of $ q_{i} $, prove that (a) the Hamiltonian is given by \[ H=-L_{o}+L_{2}+2 L_{3}+\cdots \] (b) $ H=0 $, for $ L=L_{1} $

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Evaluate each of the following limits: (a) limx->2 2x 4 − 5x 3 + 3x 2 + 12x − 21

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Which best defines hypnagogia? Group of answer choices: Perceptual occurrences that occur in transition from wake to sleep & Perceptual occurrences that occur in transition from sleep to wake Perceptual occurrences that occur in transition from wake to sleep Perceptual occurrences that occur in transition from sleep to wake None of the above

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Animals that have one solid mass of tissue rather than tissues and organs nestled inside a body cavity are

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True or False? The United States does not have one comprehensive data protection law; instead, it has many laws that focus on different types of data found in different vertical industries. True False

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Your leg is also known as the femoral region. true or false

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As we discussed in class, wings generate vortices that trail behind the aircraft. Which statement is true about these vortices? Small "winglets" on the ends of some aircraft wings help disrupt the vortices to reduce drag. All of these statements are true. They are very strong (large circulation) for large aircraft and can be dangerous to smaller aircraft following too closely behind them. They contribute to the drag on the aircraft and light aircraft like gliders have long wings to minimize this effect.

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Problem 3: (25 points) The force F is given by \textbf{F} = 20\textbf{i} + 20\textbf{j} + 10\textbf{k} (lb). What is the moment of \textbf{F} about the z-axis? (Direction that the arrow is drawn is not accurate. Be careful about the axis directions) Problem 4: (25 points) The rod is supported by smooth journal bearings at A, B, and C. Assume the rod is properly aligned. Determine the reactions at the supports due to the two forces applied.

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michael f.