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sonia chen

sonia c.

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<HW 2: Potential Problem 18.19 Two point charges $q_1 = +2.40 nC$ and $q_2 = -6.35 nC$ are $0.100 m$ apart. Point $A$ is midway between them; point $B$ is $0.080 m$ from $q_1$ and $0.060 m$ from $q_2$. (See Figure 1.) Take the electric potential to be zero at infinity. Figure 1 of 1 Part C Find the work done by the electric field on a charge of $2.30 nC$ that travels from point $B$ to point $A$. Express your answer in joules to two significant figures. $W = 6.9 \cdot 10^{-8}$ J Submit Previous Answers Request Answer Incorrect: Try Again; One attempt remaining Provide Feedback V = -680 V Correct Correct answer is shown. Your answer -682.5 V was either rounded differently or part.

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True or False? Esophagitis and gastritis are two conditions that result from chronic irritation from alcohol and acetaldehyde intake because this erodes the protective mucosal linings, causing inflammation and release of destructive free radicals. True False

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Alice goes to see a rerun of Jaws (a movie about a vicious shark) a few days before she takes off to Florida on spring break. On break, she finds that she is now too nervous to spend much time actually in the water, since she is convinced that anything she sees in the water is a shark. Her heightened sensitivity is due to Question 3Select one: a. self-fulfilling prophecy. b. anchoring and adjustment. c. representativeness. d. priming.

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Question 2: Understanding how to support children's mental health is critical to their healthy social and emotional development. Choose an age group and research both the typical mental health challenges children those ages may face, as well as three different community resources you could draw on to support these children as an early childhood educator. Complete the table below. Age Group: Typical mental health challenges: Resource Name Contact Information Description How this information can be used in a child care setting

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Holy moly!” Francis cried. “It just hit me; I’m going to DIE someday!!” According to terror management theory, what behavior is Francis likely to perform, given his sudden realization? a. Change his worldview to become more pessimistic b. Attend religious services that reaffirm his beliefs c. Recall times when he embarrassed himself in public d. Try a new activity that he’s not very good at

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Under which of the following circumstances does body weight (i.e. the force due to gravity) and vertical GRF always have an equal magnitude?

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What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the H? pressure is 8.67×10?³ atm, the H? concentration is 1.27M, and the Al³? concentration is 3.90×10??M? 6.00H?(aq) + 2Al(s) ? 3H?(g) + 2Al³?(aq) Answer: The cell reaction as written above is spontaneous for the concentrations given:

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If theoretical modulus of rigidity Gth=38 GPa and it is found in the experiment to be 3.6156*10^10 Pa; what is the percentage of error? Select one: a. 4.85%. b. 0.0485%. c. 48.5%. d. 0.485%.

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W9_Assignment 8 ParCo (DDD-country based company) has 3 branches in different countries: AAA, BBB and CCC. The branches generated incomes of DDD currency (DC) DC100,000; DC200,000 and DC300,000 respectively. DDD-country income tax rate is 35%. Income tax rates for the countries are listed below: Required: Country Income tax rate AAA BBB CCC 50% 40% 30% For ParCo compute the following: 1) DDD's income tax before FTC; 2) Foreign income taxes paid; 3) Foreign tax credit (FTC) allowed; 4) Net DDD-country tax liability before excess FTC; 5) Excess foreign tax credit.

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9. Write an equation of the parabola with vertex (1,3) and focus (-1, 3), and graph it. Give the domain and range.

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