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sandra ant-nez

sandra a.

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In (Figure 1), a = 7.5 ft and b = 13 ft. Figure Part A Determine the angle $\theta$ between the two cables. Express your answer in degrees to three significant figures. $\theta$ = Submit Previous Answers Request Answer Incorrect; Try Again Provide Feedback

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if the market price of an electric van is $220,000 what is the maximum total profit the company can earn

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What is a key difference between LTR retrotransposons and non-LTR retrotransposons? (Multiple statements may be true, but only one indicates a difference between the two transposons)

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List the following types of radiation from lowest frequency to highest frequency: microwave, X ray, ultraviolet, visible, and infraredSelect one:A. X ray < ultraviolet < visible < infrared < microwaveB. microwave < infrared < visible < ultraviolet < X rayC. infrared < X ray < microwave < ultraviolet < visibleD. infrared < visible < microwave < ultraviolet < X rayE. visible < ultraviolet < microwave < X ray < infrared

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Which is the correct definition of the Grashof number for a plate of length L? $\frac{\rho \mu L}{\mu}$ $\frac{g\beta \Delta T L^3}{\nu^2}$ $\frac{hL}{k}$ $\frac{u}{\sqrt{gL}}$

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The region y < 0 contains a dielectric material for which \(\epsilon_{R1} = 2.5\), while the region y > 0 is characterized by \(\epsilon_{R2} = 4\) Let \(\vec{E_1} = -30 \vec{a_x} + 50 \vec{a_y} + 70 \vec{a_z} \text{ V/m}\), and find \(\vec{D_{2t}}\) Oa. 2.479 nC/m² Ob. 2.697 nC/m² Oc. 2.259 nC/m² Od. 2.435 nC/m²

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Vibration Problem 1 KI K2 M m f(t) C x(t) x2(1) a. Find the FBD for the system above. Label all relevant forces and set your coordinate system. b. From the FBD, derive your equation of motion. c. Given that the forcing function f is a sinusoidal function with a wave speed of 16 m/s, a wavelength of 4 meters, an amplitude of 500 meters, and a phase shift of π/2 radians, find the total solution for x(t) using the ODE that finds explicitly, if x(t) is given as sin(8t). Note that the trigonometric identity to be used to simplify your result is sin(a + b) = sin(a)cos(b) + cos(a)sin(b). It is safe to assume that x₀ = 0 m and x₀' = 0 m. Let m = 100 kg, K = 7200 N/m, and C = 1700 Ns/m.

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1a. Entropy may decrease locally at some region within the isolated system. What about this? (a) This cannot be possible. (b) This is possible because entropy of an isolated system can decrease. (c) It must be compensated by a greater increase of entropy somewhere within the system. (d) None of the mentioned above is valid. 1b. Circle the possible entropy transfer mechanisms of a closed system: (a) Heat transfer. (b) Boundary work transfer. (c) Mechanical work transfer. (d) Electricity transfer. (e) Mass transfer. 1c. Circle the possible entropy transfer mechanism(s) into a control volume system: (a) Heat transfer. (b) Mechanical work transfer. (c) Electricity transfer. (d) Mass transfer. (e) Boundary work transfer. 1d. Circle the valid statement(s) for actual steady-operating heat engine cycles: (a) Sgen < 0. (b) Sgen > 0. (c) Actual heat engine cycles always involve irreversibility. (d) This is a reversible cycle. 1e. Which of the following entropy relationships for a process is/are incorrect? (a) For Air, s = const.: s = Cv ln(T/T1). (b) For liquid water: s = Cp ln(T/Ti). (c) For a reservoir: s = Cp ln(T2/T1). (d) For copper: s = Cp ln(T/T1). 1f. Circle the valid statements associated with adiabatic process, reversible process, and isentropic process of a closed system: (a) A reversible, adiabatic process is an isentropic process. (b) The entropy generation of a reversible process is zero. (c) The entropy is constant for an isentropic process. (d) The entropy of an adiabatic system cannot decrease whether it is a closed or an open system. (e) All of the above.

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AYUDAAAAAAAAAAAAAAAAAAAAAAAAA EL QUE RESUELVA TODO LE DOY CORONA Un patrón aditivo decreciente 25 una secuencia cuyos números disminuyen una misma cantidad, por ejemplo: 800 775 750 725 700 675 LJ rebla de formacion 25 disminuir en25: -25. AHORA ES TU TURNO: Observa el siguiente patron determina el valor de:R- (P+Q) 520 720 3 300 b) 3 280 c) 3 460 Resuelve esta situacion problematica: Un comerciante tiene en el banco S/ . 280 y ha cecicico cepositar cada mes la misma canticac. En el mes de marzo tendrá$/ . 370; en abril, S/. 460; en mayo, S/. 550. {Cuánto tendra ahorrado en noviembre? zCuánto habrá depositado mensualmente? Des[ pues de esolver escribetus conclusiones iComo @S Un patron creciente? Cómo es un patrón decreciente? cQuees una regla de formacion ?

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11. In the accompanying diagram, $\triangle ABC$ is inscribed in circle O and $\overline{AB}$ is a diameter. What is the number of degrees in $m\angle C$? [2 pts]

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