Numerade

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Problem 4: (13% of Assignment Value) Some region of space contains a uniform electric field, directed south with a magnitude 100 V/m. At point A in this field the electric potential is 400 V. What is the electric potential at point B, which is 2 meters directly north of A? 600 V 200 V There is not enough information given. 800 V 400 V

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A torsion bar (OA) is fixed to a support at O, simply supported at A (end A cannot translate, but can rotate), and connected to a cantilever AB. The spring rate of the torsion bar, $k_t$, has units of Nm/rad, and that of the cantilever, $k_i$, has units of N/m. What is the value of the overall spring rate of the assembly based on the deflection y at point B given the following dimensions and material properties? Enter your answer in units of N/m rounded to 0 decimal places. L = 1.3 m, l = 0.87 m, D = 4.3 cm, d = 2.5 cm, E = 207 GPa, G = 79.3 GPa Note: Torsion bar OA only twists at the for F is applied. As OA twists, it causes cantilever AB to pivot about A, and AB also bends due to force F.

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14. Practice similar a) What is the change in demand if the price decreases by 2%? Let E=0.8. Use the following formula to find the change in demand in percentage: Î”D = -Ee * Î”P b) This means that when the price decreases by 2%, then demand increases or decreases by Î”D% Answers (in progress) Answer Points Shcw Al MacBook Pro

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Question 22 If actual output is to the left of full employment output ($Y^*$), what is the economy experiencing? a recessionary gap. an inflationary gap. full employment. long-run equilibrium. 1 pts

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Find the center of the mass of a thin plate of constant density ? covering the region bounded by the x-axis and the curve y = 3 cos x, -?/3 ? x ? ?/3. The center of the mass is located at (?x, ?y) = . (Type an ordered pair. Round to the nearest hundredth.)

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10. (15 points) Active Galactic Nuclei and Quasars are related in a unified model. a) What mechanism generates both phenomena in the cores of galaxies? Explain! b) In what conditions are Quasars actually observed in Active Galactic Nuclei and in what conditions are they not? Explain! c) What observational phenomenon results when a line-of-sight observation of an AGN is lined up with a relativistic jet from these sources? Explain!

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Widget World International has 8 million shares outstanding and the prevailing P/E ratio in the widget industry is 15. WWI had consolidated earning last year of $16,000,000 and this year they were $14,000,000. On this basis, what was the valuation of Widget World's stock last year, and what is it this year?

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cual es el tipo de corazones especiales presentes en los moluscos??? porfavor!!!

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Tutored Practice Problem 20.3.3 COUNTS TOWARDS GRADE Calculate the free energy change under nonstandard state conditions. Close Problem Use standard thermodynamic data (in the Chemistry References) to calculate $\Delta G$ at 298.15 K for the following reaction, assuming that all gases have a pressure of 22.25 mm Hg. $N_2(g) + 2O_2(g)\rightarrow 2NO_2(g)$ $\Delta G =$ ____ kJ/mol Check & Submit Answer Show Approach

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A mule and a donkey carried a load of a few quintals. The donkey, complaining about his load, said to the mule: I only need a hundredweight of yours to carry twice your load. The mule replied: yes, but if you give me a quintal of your load, then I will carry three times your load. How many quintals did each carry?

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jason p.