Numerade

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Is it easier for a circus performer to balance a long rod held vertically with people hanging off the other end, or the same long rod without the people at the other end, and why?

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Problem 4 [20 pts]. A cylinder with cross-section area A floats with its long axis vertical in a liquid of density $\rho_{liq}$. A. [10 pts] Pressing down on the cylinder pushes it deeper into the liquid. Find a symbolic expression for the force $F(x)$ needed to push the cylinder distance $x$ deeper into the liquid and hold it there. B. [10 pts] A 4.0-cm in diameter cylinder floats in water ($\rho = 10^3 kg/m^3$). How much work must be done to push the cylinder 10 cm deeper into the water? [Use the expression for force found in A, then compute an integral $W = \int F(x)dx$ to find work]

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Age Labor Force Status Less than 55 55 and Older Number employed 400,000 100,000 Number unemployed 25,000 7,000 Number in population 600,000 200,000 Refer to Above Table. Suppose that the natural rate of unemployment is 5.5% for those under 55 and 3% for those 55 and older. The cyclical unemployment rate for those under 55 is 0.88%, which is greater than the cyclical unemployment rate for those 55 and older. 0.88%, which is less than the cyclical unemployment rate for those 55 and older. 0.38%, which is less than the cyclical unemployment rate for those 55 and older. 0.38%, which is greater than the cyclical unemployment rate for those 55 and older.

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ASTERING: Week 2 Assignment Constructing Phylogenetic Trees 1 of 10 The geneticists studying the alien organisms have deciphered their genetic code. For familiarity, they have used A, C, G, and T to indicate the bases in this code. A comparable genetic sequence in each alien has been identified in the genes that code for eye growth. This genetic sequence has allowed the aliens to be divided into six groups, with the single-tail, three-eye group split in half. The geneticists also studied several outgroup species (not shown) to compile a likely ancestral DNA sequence. From this information, they have constructed four possible phylogenetic trees. site 1 2 3 4 5 6 7 8 9 ancestral TCACTGCAT group 1 TGACTACAT group 2a TGAGAGGGC group 2b TGACAGCGC group 3 CGACTGTGC group 4 CGACTGTGC group 5 CGACTGTGC Based on this genetic information, which phylogenetic tree is most parsimonious? Select the most parsimonious tree. If there is a tie, select both trees. (For help approaching this problem, open Hint 2.) ? View Available Hint(s) phylogenetic tree I phylogenetic tree II phylogenetic tree III phylogenetic tree IV

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Why are some bacterial genes, which generally follow the rules of colinearity, longer than expected based on the produced amino acids? Bacterial mRNA sequences are circular, so the length of the sequence cannot be determined. The mRNAs encoded by the bacterial genes contain sequences that do not specify amino acids. Some bacterial mRNA sequences lose several nucleotides following transcription. More than 60% of the mRNA sequence is determined by RNA editing.

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What is the profit margin for ROCE? What is the capital structure leverage? What is the cost of goods sold/sales? What is the S&A expense/sales? What is the interest revenue/sales? What is the income tax expense/sales? Abercrombie & Fitch Income Statements (Amounts In Millions) For the Year Ended January 31, Year 5 Year 4 Year 3 Sales $5,021 $1,708 $1,596 Cost of goods sold $386 $343 Selling and administrative expenses $562 $548 Interest income $54 $48 Income tax expense $4 $4 Net Income $205 $195 $216 Square feet of retail space in thousands 30,200 22,000 Number of employees 48,500 Growth rate in sales 7.0% 16.9% 18.3% Comparable store sales increase 5.0% 2.0% Abercrombie & Fitch Balance Sheets (Amounts in Millions) January 31, Year 4 Year 3 Year 2 Year 5 ASSETS Marketable securities $350 $26 $248 $28 $652 Accounts receivable $56 $465 $201 $24 $753 Inventories $43 $387 $10 $169 $20 $629 Total Assets $188 $1 $21 $130 $15 $405 $247 Cash Flow Statements For the Year Ended January 31, Year 5 Year 4 Year 3 OPERATIONS Net income $216 $106 Depreciation and amortization $205 $90 Increase/Decrease in inventories $13 ($34) Increase/Decrease in current liabilities $125 Cash Flow from Operations $426 INVESTING Property, plant, and equipment acquired $205 $58 Marketable securities sold $33 Marketable securities purchased $220 Cash Flow from Investing $311 FINANCING Increase in short-term borrowing $32 Increase in common stock $84 Acquisition of common stock $54 Dividends $276 Cash Flow from Financing $414 Change In Cash $(280) $(238) Cash-Beginning of year $20 $49 Cash-End of Year $(260) $(189) Source: Abercrombie & Fitch Co. Form 10-K

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Because of the third party rights according to the Securities Act of 1933, the auditor had greater burden in that he or she must demonstrate that (Select all that apply.) A. a review of the annual Form 10-K was performed before it was filed with the SEC. B. the statements were not materially misstated. C. the user did not incur the loss because of misleading financial statements. D. an adequate audit was conducted.

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2. From the step response plots, calculate the transient and steady state characteristics of critically damped and under damped systems.

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8) You are considering investing in a firm that has the following possible outcomes: Economic boom: probability of 25%; return of 25% Economic growth: probability of 60%; return of 15% Economic decline: probability of 15%; return of -5% What is the standard deviation of the investment? A) 9.21% B) 15.66% C) 15.00% D) 14.50% 9) California Retailing Inc. has sales of $4,000,000

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12V± 2mA ? 6k? V? ~~~ 2k? ~~~ V? V? Voc 1k?

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ver-nica m.