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derek castillo

derek c.

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Calcule la impedancia equivalente entre las terminales a y b del siguiente circuito. -j4 Ω 2 Ω -j6 Ω 4 Ω a o j6 Ω j8 Ω j8 Ω j12 Ω b o

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Use Laplace transforms to solve, for t ≥ 0, the differential equations which describe a coupled system that starts from rest at the equilibrium position. Show that the subsequent motion takes place along a straight line in the xy-plane. Verify that the frequency at which the system is driven is equal to one of the resonance frequencies of the system; explain why there is no resonant behavior in the solution you have obtained.

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When you illuminate one of the following metals with 320 nm light, you measure its stopping potential to be 0.4 eV. What is the metal?

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Question 25 Which is NOT a personal trait and behavior of psychopaths? Oself-centered Odo not engage in personal or romantic relationships Oroutinely place blame on others for their reckless and often dangerous actions Oappear remarkably normal to others

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Discuss the principles and applications of lean manufacturing in optimizing production processes.

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A certain drug dosage calls for 22 mg per kg per day and is divided into two doses. If a person weighs 141 pounds, how much of the drug should they get each dosage?

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Which benefit has NOT been linked to replacing saturated fat with unsaturated fat? • Reducing LD (bad) cholesterol Reducing excess liver fat Reducing excess belly fat Reducing excess weight

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The principle stating that, for virtually all goods and services, there is a negative relationship between price and quantity demanded, all other things unchanged, is the law of: O increasing opportunity costs. O supply O Demand O scarcity

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Text: Help me, and please write nice and neatly. Thank you. (a) A three-phase supply of 420 V, 50 Hz frequency is connected to a symmetrical positive sequence of three-phase load associated in wye configuration. Each phase consists of a resistance of 40 Ω connected in series with a 0.5 H inductance. (i) Determine the line current, IL. (4 marks) (ii) Obtain the total real power P, total reactive power Q, and apparent power S absorbed by the load. (6 marks) (iii) Calculate the power factor, p.f. (2 marks)

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Note: Here zeros from student id are allowed for coordinates and for the expression in E. Given the electric field $E = (var1*x - var2*y)a_x - (var3*x + var4*y)a_y$, find (a) the equation of the streamline that passes through the point P(var5, var6, 0); (b) a unit vector specifying the direction of E at Q(var7, var8). Make sure to graph the charges and the fields (otherwise 10 points are subtracted from the grade.)

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