Numerade

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A buck dc-dc converter has an input voltage of 90 V and an output voltage of 50 V. The inductor has a value L = 3000 uH and capacitance C = 550 u, switching frequency is 10 kHz and the output power is 600 W

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Children are also trafficked into begging, although women and more rarely men are also exploited as beggars. O True O False

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A skier starts from rest 40 degree slope at time t=0 and is clocked at t=2.58s as he passes a speed checkpoint 20m down the slope. Select the appropriate FBD. Neglect wind resistance.

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Use the following list of accounts to answer the next question: 1. Equipment 2. Supplies 3. Rent Expense 8. Supplies Expense 9. Inventory 4. Accounts Payable 5. Revenue 6. Building 7. Common Stock 10. Cash 11. Accounts Receivable 12. Note Payable 13. Retained Earnings 14. Salary Expense Which of the accounts listed above would be shown on an Income Statement? Select one: a. 5, 8, 13, 14 b. 3, 5, 8, 13, 14 c. 2, 3, 4, 5, 8, 14 d. 3, 5, 8, 14 e. 2, 3, 5, 8, 14

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BEST MATCH

Find the indicated limit given that $\lim_{x \to a} f(x) = 4$. $\lim_{x \to a} (2f(x))$

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Determine whether each of the following integrals is proper, improper and convergent, or improper and divergent. Improper and convergent 1. $\int_1^{\infty} se^{-3s^2} ds$ Improper and divergent 2. $\int_0^{15} \frac{1}{\sqrt{x - 7}} dx$ Improper and divergent 3. $\int_7^{15} \ln(x - 7) dx$ Proper 4. $\int_3^{\infty} \frac{1}{\sqrt{t^2 - 9}} dt$ Proper 5. $\int_{-\pi/7}^{15\pi/2} \tan^2(3x) dx$ Improper and divergent 6. $\int_{-\infty}^{\infty} \sin(3z) dz$ Improper and divergent 7. $\int_{-\infty}^{\infty} \frac{t}{t^2 + 10} dt$ Proper 8. $\int_{-10\pi}^{10\pi} \sin(\theta) \arctan(\theta) d\theta$

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Under certain conditions, iron and oxygen combine to form iron(III) oxide. iron + oxygen ? iron(III) oxide 22.5g 9.6688g If 22.5 grams of iron and 9.6688 grams of oxygen combine to form iron(III) oxide, how many grams of iron(III) oxide must form?

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1. The concentration of methane in the atmosphere is found to be 2.30 ppm. If the barometric pressure is 0.95 atm at the time of measurement, what is the partial pressure of methane? A. $1.66 \times 10^{-3}$ torr B. $2.25 \times 10^{-6}$ torr C. $3.43 \times 10^{-4}$ torr D. $2.91 \times 10^{-3}$ torr E. $4.55 \times 10^{-4}$ torr

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The following stockholder's equity accounts at December 31, 2011 of the Martin Corp are arranged alphabetically below: 1) Common Stock ($10 stated value) $1,200,000 Paid in Capital from Treasury Stock 6,000 Paid-in Capital in Excess of Stated Value - Common Stock 690,000 Paid-in Capital in Excess of Par - Preferred Stock 288,400 Preferred Stock (8%, $100 par, Cumulative 300,000 Retained Earnings 826,000 Treasury Stock (8,000 common shares) 88,000 Prepare a stockholders' equity section at 12/31/11. Some questions: 1. How many shares of common stock were issued? 2. How many shares of preferred stock were issued? 3. How many shares of common stock are outstanding? 4. What was the average price per share that the common stock was bought back for? 5. If total assets were $10,350,000, what were the total liabilities? 6. If the preferred stock dividends are two years in arrears, how much must the preferred stock receive in dividends before the common gets anything? 7. If the preferred stock were not cumulative, what would be your answer to question #6?

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Find and sketch the Fourier transform (magnitude and phase) of the following time-domain signals. a) Asin(t) + Bcos(wt) b) Asin(4(t - 3)) + Bcos(3(t - t))

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kimberly c.