Numerade

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Problem 4: An ideal single-phase transformer is supplying 200600 A to a load on the secondary side. The supply side voltage on the primary side of the transformer is 2500 V. Determine a) the secondary voltage; (b) the primary (source) current; (c) the impedance of the load; (d) impedance referred to the primary side; (e) turns ratio of the transformer. Assume phase angle of the input voltage is zero degrees. Assume primary turns N1 = 100 and secondary turns N2 = 10.\

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The process occurring in the renal corpuscle of the nephron is A. filtration B. reabsorption C. recycling or collection of electrolytes D. secretion of urine

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an increase in the activation energy of the forward and reverse reactions The rate constant $k$ will decrease and the rate of the reaction will decrease. The rate constant $k$ will increase and the rate of the reaction will increase. The rate constant $k$ will increase and the rate of the reaction will decrease. The rate constant $k$ will decrease and the rate of the reaction will increase. Unable to predict what happens to both the rate constant $k$ and the rate of the reaction.

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We can say a country is following a progressive tax rate if a person is charged: $1,000 on an income of $50,000, $5,000 on an income of $30,000, and $8,000 on an income of $20,000. $1,000 on an income of $20,000, $5,000 on an income of $50,000, and $20,000 on an income of $100,000. $1,000 on an income of $10,000, $4,000 on an income of $50,000, and $6,000 for an income of $80,000. $1,000 on an income of $10,000, $2,000 on an income of $20,000, and $3,000 on an income of $30,000.

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There are three risks common to medical records: inappropriate access, record tampering, and loss due to: A) maleficence. B) disaster. C) incompetence.

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Evaluate the formula $SE_{est} = sqrt{frac{hat{p}(1-hat{p})}{n}}$ for $hat{p} = 0.558$ and $n = 1051.$

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Which of the following justification for trade restriction has the most validity (it should benefit the country that imposes them in the economic sense) if wisely enacted? A. Imposing trade restrictions to encourage other countries to impose more stringent environmental laws. B. Imposing trade restrictions to help an infant industry. C. Imposing trade restrictions to help an industry that has very high costs of labor. D. Imposing trade restrictions because we do not benefit from trade as much as the country that we are trading with.

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3- A massless string is wrapped around a disk of mass M and radius R. The free end of the string is held to let the disk unwrap the string and fall. Assuming that the string does not slip, a) Does the force of tension in the string do work? Justify your answer b) Using the conservation of energy, find the speed of the center of mass of the disk when it has moved down by a height h. Write your answer in terms of mass M, the height h, and the gravitational acceleration $g$?

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The graph shows the acceleration $a$ of a car as a function of time $t$. The car starts from rest at $t=0$. Find the velocity of the car at time $t=t'$, and at time $t=2t'$.

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Consider the following code segment. int n = 0, i, j; while (i < 5) { j = 5; while (j > i) { j--; if (i == 2 || i == 4) continue; n++; } i++; } cout << i << "\n" << j << "\n" << n << "\n" << endl; Question 15: What will the above code segment output if i is initialized to 4? (2 Points) Question 16: What will the above code segment output if i is initialized to 2? (2 Points)

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manuela d.