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hector barajas

hector b.

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Pr. 2. The beam with the given cross-section is subjected to the loadings shown below. Note that the 200-kN load acts at the centroid of the cross-section. At the location of section a-a : a) Determine the state of stress at point K and show the results on a differential element at this point. b) Determine the state of stress at point L and show the results on a differential element at this point.

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Tentukan \( V_{0} \) dengan analisis node. Bandingkan hasilnya dengan simulasi Proteus.

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Which descriptive research method is being utilized if a life-long criminal is questioned for hours about his parents, his childhood, his academic history, his employment history, and his adult relationships?

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For a simple neural reflex, which of the following is most likely to act as a the input signal?

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DeltaHnet = -199 KJ

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Why did William Jennings Bryan attack the Gold Standard? a. He owned a controlling interest in a silver mining firm b. He wanted to decrease inflation to stabilize the economy c. He wanted to increase inflation to lower the burden of farmers debts d. He believed that the Gold Standard was inhibiting American exports

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QUESTION 21 Consider the following pedigree. What type(s) of inheritance are possible? Assume alleles are common in the population so individuals marrying in can be any genotype. I II III A. X linked dominant or autosomal dominant B. autosomal recessive or X linked recessive C. X linked recessive or X linked dominant or autosomal recessive D. autosomal recessive or autosomal dominant E. autosomal recessive or autosomal dominant or X linked dominant

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Explain how Benders decomposition work in general to solve mixed integer programming problems (MIP). Solve the MIP below with this method. Show all your steps. Max $z = 2x_1 + 4x_2 + 5x_3 + 3y_1 + 3y_2 + 5y_3$ s.t. $x_1 + 3x_2 + 4x_3 + 2y_1 + y_2 + 2y_3 \le 67$ $2x_1 + 2x_2 + 2x_3 + y_1 + 2y_2 + y_3 \le 52$ $x_1 + x_2 + x_3 + 2y_1 + y_2 + 3y_3 \le 53$ $x_3 + y_1 + 2y_2 + 3y_3 \le 40$ $x_1, x_2, x_3 \ge 0$ $y_1, y_2, y_3 \in \mathbb{Z}^0_+$ The set $\mathbb{Z}^0_+$ denotes the set of non-negative integers.

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A spherical container with a variable thermal conductivity $k$, inner radius $r_1$ and outer radius $r_2$ is given. This container is initially at a uniform temperature $T_i$, but it is subsequently exposed to internal and external heat transfer. Starting with the general form of the relevant governing equation, establish a custom-tailored equation for this problem using a complete set of numbered assumptions. Focusing only on the inner surface of the sphere at $r_1$, write the proper boundary condition for the following common thermal cases: 1. Isothermal surface of 55 $^\circ$C; 2. Specified heat flux of 72 W/m$^2$ toward the center; 3. Radially inward convection to a liquid at $T_\infty$ with a heat transfer coefficient of h.

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With the use of mesh analysis, determine mesh currents $i_1$ and $i_2$ shown in Figure Q1(c). (8 marks) $2I_x$ 4 ? 2 ? + $I_x$ + $i_1$ 10 V 6 ? $i_2$ Figure Q1(c) + 12 V

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