Register now to access 7 million high quality study materials (What's Course Hero?) Course Hero is the premier provider of high quality online educational resources. With millions of study documents, online tutors, digital flashcards and free courseware, Course Hero is helping students learn more efficiently and effectively. Whether you're interested in exploring new subjects or mastering key topics for your next exam, Course Hero has the tools you need to achieve your goals.
2 Pages
Assignment_6___Brief_Answers
Course: PHYS 214, Spring 2008School: Cornell
Rating:
Word Count: 118
Document Preview
2214 Physics Assignment 6 Brief Answers 1. (a) Z2 /Z1 very small or very large. (b) Z2 /Z1 < 1. (c) Z2 /Z1 > 1. (d) Z2 /Z1 very large. (e) v2 /v1 < 1. 2. (a) 2 /1 very small. (b) F2 /F1 = 2 /1 . For T = 2, 0. (c) K2 /K1 = 2 /1 . For T = 2, 0. 3. (b) Z1 (1 R) = Z2 T (c) T = 2Z1 /(Z1 + Z2 ), R = (Z1 Z2 )/(Z1 + Z2 ). 4. (a) vair = 344 m/s, Zair = 413 kg/m2 /s. vwater = 1483 m/s, Zwater = 1.48...
Unformatted Document Excerpt
Coursehero >> New York >> Cornell >> PHYS 214Course Hero has millions of student submitted documents similar to the one
below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.
Course Hero has millions of student submitted documents similar to the one
below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.
2214 Physics Assignment 6 Brief Answers
1. (a) Z2 /Z1 very small or very large. (b) Z2 /Z1 < 1. (c) Z2 /Z1 > 1. (d) Z2 /Z1 very large. (e) v2 /v1 < 1. 2. (a) 2 /1 very small. (b) F2 /F1 = 2 /1 . For T = 2, 0. (c) K2 /K1 = 2 /1 . For T = 2, 0. 3. (b) Z1 (1 R) = Z2 T (c) T = 2Z1 /(Z1 + Z2 ), R = (Z1 Z2 )/(Z1 + Z2 ). 4. (a) vair = 344 m/s, Zair = 413 kg/m2 /s. vwater = 1483 m/s, Zwater = 1.48 106 kg/m2 /s. (b) T = 5.58 104 (c) . R = 0.2, T = 0.8. (d) R = 0.14, T = 1.14. 5. (a) 2 = 9.99 g/m, L2 = 7.91 cm. (b) There will be a reected wave. 6. (a)
uk (J/m) 0.040 0.032 0.024 0.016 0.008 0 1 2 3 4 5 6 7 8 x (m) 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
1
(b)
up (J/m) 0.040 0.032 0.024 0.016 0.008 0 1 2 3 4 5 6 7 8 x (m) 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
(c) Energy at both times is 0.128 J. 7. (a) A = 36.9 cm. (b) A = 7.38 m.
2
Find millions of documents on Course Hero - Study Guides, Lecture Notes, Reference Materials, Practice Exams and more.
Course Hero has millions of course specific materials providing students with the best way to expand
their education.
Below is a small sample set of documents:
Below is a small sample set of documents:
Cornell - PHYS - 214
TA's Name:_Section: _ Your Name: _Physics 2214 Assignment 6Concepts: Boundary conditions Reflection and Transmission of waves Energy and Power in wavesReading: AG Notes on Superposition and Standing Waves (from website); Y&F, Vol. 1, Chapter 16
Cornell - PHYS - 214
Physics 2214 Assignment 5Concepts: Fourier Analysis Beats Doppler Effect Boundary Conditions Reflection and Transmission of WavesReading: AG Notes on Mechanical Waves, Superposition and Standing Waves (from website); Y&F, Vol. 1, Chapter 16; Y&F V
Cornell - PHYS - 214
Physics 2214 Assignment 4 Solutions1. The pressure gradient is related to the displacement by p(x, t) = B s (x, t). x (1)Assuming a sinusoidal solution to the sound wave equation s(x, t) = s0 cos(kx t) and substituting into 1, we nd that p0 = Bk
Cornell - PHYS - 214
Physics 2214 Assignment 4 Brief Answers1. The displacements have amplitde s0 = 0.0115 nm. 2. (a) The wave speed is v = 190.5 m/s. (b) The next two modes have frequency f2 = 300 Hz and f3 = 450 Hz. (c) The rst three allowed modes now have frequency
Cornell - PHYS - 214
TA's Name:_ Section: _ Your Name: _ Physics 2214 Assignment 4Concepts: Sound waves Standing waves Standing waves on strings Standing sound waves in pipes Fourier analysis Response to arbitrary inputs Dispersion BeatsReading: AG Notes on Mechanical
Cornell - PHYS - 214
TA's Name:_ Section: _ Your Name: _ Physics 214 Assignment 3Concepts: traveling waves harmonic traveling waves waves on a string sound wavesReading: AG Notes on Mechanical Waves (from website); Y&F, Vol. 1, Chapters 15 and 16 Assignment: Due in le
Cornell - PHYS - 214
TA's Name:_ Section: _ Your Name: _ Physics 214 Assignment 2Concepts: damped oscillations driven oscillatons and resonance damping regimes power in driven oscillations traveling waves wavelength, frequencyReading: AG Lecture Notes on Mechanical Wa
Cornell - PHYS - 214
TA's Name:_ Section: _ Your Name: _ Physics 214 Assignment 1Concepts: complex numbers complex exponentials oscillations restoring forces simple harmonic motion force law for SHM damped oscillations driven oscillations and resonance decay time and re
Cornell - PHYS - 214
Physics 2214, Cornell, Spring 2009 Assignment 5 Solutions 1. How important is the phase? First recall that the response function G() gives us the ratio of the complex displacement amplitude to the complex drive amplitude. That is, if a sinusoidal dri
Cornell - PHYS - 214
Physics 2214, Cornell, Spring 2009 Assignment 5 Short Answers 1. How important is the phase? (a) The linear phase reponse does not aect the shape of the waveform. (b) The nonlinear (quadratic) phase response does aect the shape of the waveform. 2. Wa
Arizona - ENGL - ENG 107
1Amy Blooms Silver WaterMy sisters voice was like mountain water in a silver pitcher; the clear blue beauty of it cools you and lifts you up beyond your heat, beyond your body. After we went to see La Traviata, when she was fourteen and I was twelve, sh
Southwestern - DEPARTMENT - FIN 4320
International Cash ManagementIntroduction to International Cash ManagementIncreased Globalization of Business Increased Competition in the Domestic Marketplace Need for Cash Management Services on a Global BasesInternational Cash ManagementInte
Southwestern - DEPARTMENT - FIN 4320
Electronic Commerce & Information and Technology ManagementBasics of Electronic CommerceDefinitionsElectronic CommerceThe electronic exchange of business information from one company to another Mechanism for moving electronic business data
Southwestern - DEPARTMENT - FIN 4320
Financial Risk ManagementPurpose of Derivative InstrumentsHedge Against UncertaintyHedging Versus SpeculatingHedging Reduce or Eliminate RiskSpeculating Assuming Additional RiskTypes of RiskPrice Risk Interest Rate Risk Foreign E
Southwestern - DEPARTMENT - FIN 4320
Chapter 13 BorrowingCorporate Borrowing Strategy and ObjectivesOverall Borrowing Strategy Capital is comprised of debt and equity Debt is liability Equity is ownership Leverage is the relationship between debt and equityCorporate Borrowin
Southwestern - DEPARTMENT - FIN 4320
Short-Term InvestmentsWhy Companies Hold Short-Term InvestmentsTemporary Excess Funds PositiveCash Flow Seasonalities Sale of Assets Timing of Long-Term FinancingLiquidity Reserve Income GenerationInvestment IssuesInvestment Objec
Southwestern - DEPARTMENT - FIN 4320
Accounts Payable and DisbursementsDisbursement and Accounts Payable ObjectivesReduce CostsOpportunity Costs Excess borrowing or lost investment income Early payments or missed discounts Fixed CostsDisbursement Account CostsAccount
Southwestern - DEPARTMENT - FIN 4320
Cash Concentration1Cash ConcentrationxThe Movement Of Funds From Outlying Depository Locations To A Central (Concentration) Bank Account Where Funds Can Be Managed Efficiently2Objectives Of Cash ConcentrationxMinimize Costs: Costs Arise
Southwestern - DEPARTMENT - FIN 4320
Cash Collections1Objectives Of A Collection Systems s s sMobilize Funds Access Information Update Account Receivables Support Audit Trails2Collection FloatsComponents Mail Float Processing Float Availability Or Clearing Float3Col
Southwestern - DEPARTMENT - FIN 4320
Managing Credit and Accounts ReceivableLecture 8Objectives of Credit and A/R Management Creating and collecting A/R Establishing the firms credit policy and terms of sales Determining creditworthiness of customers Provide prompt and accu
Southwestern - DEPARTMENT - FIN 4320
Credit and CollectionsLecture 7Organization of Credit and A/R Credit Manager Will Have Responsibility Over Credit and A/R Credit Policies And Collections Will Impact Cash Flows Credit Managers And Cash Managers Must InteractImportance Of Cred
Southwestern - DEPARTMENT - FIN 4320
Bank Relationship, Balance, and Compensation ManagementObjectives of Relationship ManagementEnsure The Company's Banking Services are Provided Reliably at a Reasonable Cost Developing a Relationship/Partnership Developing a Partnership Ap
WVU - IENG - 213
IENG 213: Probability and Statistics for EngineersInstructor: Steven E. Guffey, PhD, CIH 2002-20079.2 Statistical Inference Statistical inference: methods employed to make generalizations about a population. Two major areas: Estimation: estimate mean,
Ohio State - PSYCH - 340
Sex Differences in Brain Maturation during Childhood and AdolescenceMichael D. De Bellis1,2, Matcheri S. Keshavan1, Sue R. Beers1, Julie Hall2, Karin Frustaci2, Azadeh Masalehdan2, Jessica Noll2 and Amy M. Boring21 University of Pittsburgh Medical Cente
Ohio State - CLASSICS - 222
88.1 (a) (b) (c) 8.2Basic Concepts of Chemical BondingVisualizing ConceptsAnalyze/Plan. Count the number of electrons in the Lewis symbol. This corresponds to the A-group number of the family. Solve. Group 14 or 4A Group 2 or 2A Group 15 or 5A (These
Ohio State - CHEM - 121
11.1 (a) (b) (c) (d) 1.2Introduction: Matter and MeasurementVisualizing ConceptsPure elements contain only one kind of atom. Atoms can be present singly or as tightly bound groups called molecules. Compounds contain two or more kinds of atoms bound ti
Ohio State - CHEM - 121
22.1 (a) (b) (c) (d) 2.2 (a)Atoms, Molecules, and IonsVisualizing ConceptsThe path of the charged particle bends because it is repelled by the negatively charged plate and attracted to the positively charged plate. Like charges repel and opposite char
Ohio State - CHEM - 121
33.1 3.2Stoichiometry: Calculations with Chemical Formulas and EquationsVisualizing ConceptsReactant A = red, reactant B = blue Overall, 4 red A 2 molecules + 4 blue B atoms 4 A 2 B molecules Since 4 is a common factor, this equation reduces to equati
Ohio State - CHEM - 121
44.1 4.2Aqueous Reactions and Solution StoichiometryVisualizing ConceptsAnalyze. Correlate the formula of the solute with the charged spheres in the diagrams. Plan. Determine the electrolyte properties of the solute and the relative number of cations,
Ohio State - CHEM - 121
55.1 5.2 (a) (b) (c) 5.3 (a) (b)ThermochemistryVisualizing ConceptsThe books potential energy is due to the opposition of gravity by an object of mass m at a distance d above the surface of the earth. Kinetic energy is due to the motion of the book. A
Ohio State - CHEM - 121
66.1 (a) (b) (c) (d)Electronic Structure of AtomsVisualizing ConceptsSpeed is distance traveled per unit time. Measure the distance between the center point and a second reference point, possibly the edge of the container. Using a stop watch, measure
Ohio State - CHEM - 121
77.1 (a) (b) (c)Periodic Properties of the ElementsVisualizing ConceptsThe light bulb itself represents the nucleus of the atom. The brighter the bulb, the more nuclear charge the electron sees. A frosted glass lampshade between the bulb and our eyes
Ohio State - CHEM - 121
99.1 9.2 (a) (b) (c) 9.3 (a) (b) 120Molecular Geometry and Bonding TheoriesVisualizing ConceptsRemoving an atom from the equatorial plane of trigonal bipyramid in Figure 9.3 creates a seesaw shape. It might appear that you could also obtain a seesaw b
Ohio State - CLASSICS - 222
Fate in the Iliad IliadTuesday, June 2Iliad 7 and 8 In Book 7 Hector and Ajax fight a one on one duel with no decisive winner. In Book 8 Zeus forbids the gods from intervening in battle Zeus golden scales (8.81 ff.):Embassy to Achilles Odysseus cunni
Phoenix - ACC - ACC/539
Accounting for and Presentation of Owners Equity SOLUTIONS: E8-1. A = Beginning. $ (4) Changes. +260,000 Ending. (5) = L + $ (3) +21,000 $234,000 + OE PIC + (1) +40,000 $175,000 + RE (2) $520,000 OE + (7) Net income -55,000 Dividends (6)Steps: 1. $
Phoenix - ACC - ACC/539
SOLUTIONS: E4-1.ASSETS = LIABILITIES + OWNERS' EQUITY TransAccounts action Cash + Receivable + Expenses Notes Accounts Paid in Supplies + Equipment = Payable + Payable + Capital + Revenues -a. +8,000 b. +5,000 c. -1,750 d. -1,400 -1,400 e. -9,000
Phoenix - ACC - ACC/539
SOLUTIONS: E15-1. a. The president's remark ignores the misleading result of arbitrarily allocated fixed expenses. b. Current net income of company Less: Lost contribution margin of Division B Add: Division B direct fixed expenses that would be eli
Phoenix - ACC - ACC/539
SOLUTIONS: E14-1. a. Use the cost of goods sold model, and work from the bottom up and then top down to calculate production: Beginning inventory Goods available for sale Less: Ending inventory Quantity sold Goods available for sale = 2,000 + 800 =
Phoenix - ACC - ACC/539
SOLUTIONS: E13-1. a. b. c. d. e. Business Function Research & Development Design Production Marketing Distribution Cost Item 1. Purchase of raw materials 2. Advertising 3. Salary of research scientists 4. Shipping expenses 5. Reengineering of product
Phoenix - ACC - ACC/539
SOLUTIONS: E12-1. Wages of assembly-line workers Depreciation-plant equipment Glue and thread Shipping costs Raw materials handling costs Salary of public relations manager Production run setup costs Plant utilities Electricity cost of retail s
Phoenix - ACC - ACC/539
Financial Statement AnalysisSOLUTIONS: E11-1. Key data would be the recent (3-5 year) trend in earnings per share, cash dividends per share, market price, and P/E ratio. These data would be in tabular and graphic format. Market price would be noted
Phoenix - ACC - ACC/539
Explanatory Notes and Other Financial Information SOLUTIONS: E10-1. Class discussion can focus on the importance of these items to a reader's full understanding of the company's financial statements (financial position, results of operations, and cas
Phoenix - ACC - ACC/539
The Income Statement and the Statement of Cash FlowsSOLUTIONS: E9-1. 6/9/02 21 days 6/30/02 28 days 7/28/02 a. For the year end June 30, 2002, recognize 21/49 of summer school tuition, because that proportion of the summer session occurs within the
Phoenix - ACC - ACC/539
Fundamental Interpretations Made from Financial Statement Data SOLUTIONS: E3-1. a. Amount of return ROI = Amount invested Julie: $50 $560 = 8.93% $53 Sam: $620 = 8.55%Julie's investment is preferred because it has the higher ROI. b. Risk is a princ
Phoenix - ACC - ACC/539
Accounting for and Presentation of LiabilitiesSOLUTIONS: E7-1. Discount basis means interest is paid in advance. a. Proceeds = Face amount of note - Interest = $300,000 - ($300,000 * 9% * 6/12) = $300,000 - $13,500 = $286,500 April 15, 2002 Dr. Cas
Phoenix - ACC - ACC/539
Accounting for and Presentation of Noncurrent Assets SOLUTIONS: E6-1. a. Allocate the purchase cost in proportion to appraised values. Cost of land = ($20,000 / ($80,000 + $20,000) * $90,000 = $18,000 b. Land is not a depreciable asset. Management wo
Phoenix - ACC - ACC/539
Accounting for and Presentation of Current Assets SOLUTIONS: E5-1. Balance per bank. Less: Outstanding checks ($13 + $50). Add: Deposit in transit . Reconciled balance. $373 (63) 450 $760 Balance per books. Less: NSF check. Error in recording check (
Phoenix - ACC - ACC/539
Financial Statements and Accounting Concepts/Principles SOLUTIONS: E2-1. Cash. Accounts payable. Common stock.. Depreciation expense. . Net sales. Income tax expense. Short-term investments. Gain on sale of land. Retained earnings. Dividends payable.
Phoenix - ACC - ACC/539
AccountingPresent and PastSOLUTIONS: E1-5. The principal factors Marsha Thompson must consider are her competence and independence. Is she competent to prepare financial statements for a company that operates in a different industry than the one in
Phoenix - FIN - FIN/554
Beta and the Cost of Equity 12.1 Furniture Depot, Inc., is an all-equity firm with a beta of 0.95. The market risk premium is nine percent and the risk-free rate is five percent. The company is considering a project that will generate annual after-ta
Phoenix - FIN - FIN/554
Returns 9.1 One year ago, you bought 500 shares of Webster, Inc. stock at $37 per share. You just received a dividend of $1,000 and Webster stock now sells for $38. a. b. c. d. 9.2 How much did you earn in capital gains? What was your total dollar re
Phoenix - FIN - FIN/554
Valuation and Capital Budgeting for the Levered Firm Adjusted Present Value 17.1 Honda and GM are competing to sell a fleet of 25 cars to Hertz. Hertz fully depreciates all of its rental cars over five years using the straight-line method. The firm e
Phoenix - FIN - FIN/554
Costs of Financial Distress 16.1 Good Time Company is a regional chain department store. It will remain in business for one more year. The probability of a boom year is 60% and a recession is 40%. It is projected that Good Time will generate a total
Phoenix - FIN - FIN/554
The Miller Model and the Graduated Income Tax 16.17 Consider an economy with three investor groups. The personal tax rates on interest income are 10%, 20%, and 40%, respectively, for these three groups. The corporate tax rate is 35%, and the effectiv
Phoenix - FIN - FIN/554
Capital Structure without Taxes 15.1 Alpha Corporation and Beta Corporation are identical in every way except their capital structures. Alpha Corporation, an all-equity firm, has 5,000 shares of stock outstanding, currently worth $20 per share. Beta
Phoenix - FIN - FIN/554
Can Financing Decisions Create Value? 13.1 a. b. What rule should a firm follow when making financing decisions? How can firms create valuable financing opportunities?A Description of Efficient Capital Markets 13.2 13.3 Define the three forms of ma
Phoenix - FIN - FIN/554
Expected Return, Variance, and Covariance 10.1 Ms. Sharp thinks that the distribution of rates of return on Q-mart stock is as follows: State of Economy Depression Recession Normal Boom a. b. Probability of State Occurring 0.1 0.2 0.5 0.2 Q-Mart Stoc
Phoenix - FIN - FIN/554
NPV and Capital Budgeting 7.1 Which of the following should be treated as incremental cash flows when computing the NPV of an investment? a. b. c. d. e. f. g. 7.2 A reduction in the sales of a companys other products caused by the investment An expen
Phoenix - FIN - FIN/554
The Payback Period Rule 6.1 Fuji Software, Inc., has the following mutually exclusive projects. Year 0 1 2 3 a. b. 6.2 Project A -$7,500 4,000 3,500 1,500 Project B -$5,000 2,500 1,200 3,000Suppose Fujis payback period cutoff is two years. Which of
Phoenix - FIN - FIN/554
How to Value Bonds 5.1 What is the present value of a 10-year, pure discount bond paying $1,000 at maturity if the appropriate interest rate is: a. b. c. 5.2 5 percent? 10 percent? 15 percent?Microhard has issued a bond with the following character
Phoenix - FIN - FIN/554
Questions and ProblemsA.1The one-year spot rate is 10 percent and the two-year spot rate is 11 percent. a. What is the price of a two-year bond that pays an annual coupon of 6 percent? b. What is the yield to maturity of this bond?A. 2 A.3 A.4