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.
1 Page
Homework_04
Course: PHYSICS 424, Spring 2012School: Delaware
Rating:
Document Preview
4 Due Homework on March 12 Problems 2.15, 2.16, 2.18, 2.21, 2.22; Bonus: Problem 2.43 Answers: 2.15 P = 0.157 2.16 H5 ( ) = 120 160 3 + 32 5 2.21 H6 ( ) = 120 + 720 2 480 4 + 64 6 (a) A = a a 2a 2 k2 + a2 hk2 a3/2 1 (c) (x, t ) = ei(kx 2m t ) dk 2 + a2 k (b) (k) = 2.22 (a) A = 1/4 2a 2 2 (c) = 2a || e2ax /(1+ 1+2 2) 2 at h m (d) x = 0, p =0 1 , p2 = h2 a x2 = 4 2 (e) t = 0 Bonus...
Unformatted Document Excerpt
Coursehero >> Delaware >> Delaware >> PHYSICS 424Course 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.
4
Due Homework on March 12
Problems 2.15, 2.16, 2.18, 2.21, 2.22; Bonus: Problem 2.43
Answers:
2.15
P = 0.157
2.16
H5 ( ) = 120 160 3 + 32 5
2.21
H6 ( ) = 120 + 720 2 480 4 + 64 6
(a) A = a
a 2a
2 k2 + a2
hk2
a3/2
1
(c) (x, t ) =
ei(kx 2m t ) dk
2 + a2
k
(b) (k) =
2.22
(a) A =
1/4
2a
2
2
(c) =
2a || e2ax /(1+
1+2
2)
2 at
h
m
(d) x = 0,
p =0
1
,
p2 = h2 a
x2 =
4 2
(e) t = 0
Bonus Answer:
2.43
(a) A =
2a
1/4
(c) |(x, t )|2 =
2 2 2 (x l /2a)2
e
2 at
h
m
hl
(d) x = t ,
p = hl
m
1
hlt 2
x2 =
+
,
4 2
m
p2 = h2 (a + l 2 )
Homework 4, Page 1
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:
Delaware - PHYSICS - 424
Homework 5Due on April 3Problems 2.30, 2.34, 2.35, 2.40; Bonus: Problem 2.51Answers:1,a + 1/e a cos laF=a + 1/2.30D=2.34(a), (b) see Exercise 64 E E V0 ( E E V0 )2(d) T =V022.35(a) R = 1/9(c) T = 8/92.40(a) Three bound statesBonus An
Delaware - PHYSICS - 424
Homework 6Due on April 10Problems 3.5, 3.7, 3.13, 3.14, 3.27, 3.37; Bonus: Problem 3.28Answers:ddxddx1(d) (a+ ) = (ip + m x)2mh=3.5(a)3.27(c) Total probability of getting a1 is 337 = 0.53926250ict /h 1(a) |S(t ) = e0i sin(bt /h)0(
Delaware - PHYSICS - 424
Homework 7Due on April 17Problems 3.22, 3.23 (dont need to normalize functions), 4.1, 4.2, 4.3; Bonus: Problem 3.35Answers:3.223.234.21 0 2i(c) A = 2i 0 4 1 0 2iEigenvalues are E = 2 . Looking eigenvectors in the form | = c1 |1 + c2 |2foryield
Delaware - PHYSICS - 424
Lecture 1February 7, 20121. Quantum mechanics is different from anything else youve learned so farUp to now, if you were asked to determine the location of an object given its mass and the forceexerted upon it, you would proceed as something like this
Delaware - PHYSICS - 424
Lecture 2February 9, 2012ReviewThe Schr dinger equation:o#h2 2 ih+V =t2m x 2"!Probability rules for continuous variables:'Pa,b =ba$ (x)dx is the probability that x lies between a and b. (x) is the probability density (x)dx = 1x=x (
Delaware - PHYSICS - 424
Lecture 3February 14, 20121. To gain information about a quantum mechanical system, we use "operators"Lecture 3, Page 1Expectation value of momentum p:p =mdx= ihdtdxxLecture 3, Page 2We say that the operator x represents position and the opera
Delaware - PHYSICS - 424
Lecture 4February 16, 20121. The innite square wellA particle in this potential is completely free, except at the two ends, where an innite forceprevents it from escaping.Lets solve the Schrdinger equation!First, we seek stationary statesWe need to
Delaware - PHYSICS - 424
The Harmonic Oscillator: General ProblemClassical harmonic oscillator: mass m attached to a spring of force constant k.Hookes law:Quantum problem:Want to solve the Schrdinger equation with this potential:There are two methods to solve it. We will sta
Delaware - PHYSICS - 424
ReviewThe Quantum Harmonic Oscillator:'$Potential:1V (x) = m 2 x22The ground (lowest) solution of the time-independent Schrdinger equationfor the harmonic oscillator is:m 1/4 m x2he 2h1E0 = h20 (x) =To nd all other functions we can use n
Delaware - PHYSICS - 424
The Free Particle: V (x) = 0 everywhereWe introduce(Same as inside of the innite square well, where the potential is zero.) For reasons that will beclear later, we will write the solution in exponential form instead of sin or cos:There are no boundary
Delaware - PHYSICS - 424
Delaware - PHYSICS - 424
A. John Mallinckrodthttp:/www.csupomona.edu/~ajm/materials/animations/packets.htmlThe following movies show wave packets with various combinations of phase and group velocity.Each wave form is the sum of ve sinusoids with the general format8Movie 1:
Delaware - PHYSICS - 424
The delta-function potentialThe Dirac delta function: It is an innitely high, innitesimally narrow spike whose area is 1.Property of the delta function:This is the most important property of the delta function:f (x) (x a)dx = f (a)6We consider a pot
Delaware - PHYSICS - 424
The nite square wellBound statesStep 1: Solve Schrdinger equation for all regions1Step 2: Apply boundary conditions such that and d /dx are continuous at a and a.Note: V (x) is even wave functions are either even or odd. Therefore, we only need to im
Delaware - PHYSICS - 424
The nite square wellBound statesStep 1: Solve Schrdinger equation for all regions1Exercise 6 (homework problem)Consider a step potential(a) Calculate the reection coefcient for E < V0 and comment on the result.(b) Calculate the reection coefcient f
Delaware - PHYSICS - 424
Problem solvingProblem 1A particle of mass m in the harmonic oscillator potential starts out in the state(x, 0) = A 1 2mxh2m 2he 2 xfor some constant A.(a) What is the expectation value of the energy?(b) At some later time T the wave function
Delaware - PHYSICS - 424
Formalism of quantum mechanicsSo far we have found some interesting properties of simple quantum systems. We now consider themore general formalism of quantum theory that brings together what we have already discoveredin particular cases.Quantum theor
Delaware - PHYSICS - 424
Generalized statistical interpretationThe generalized statistical interpretation, together with the Schrdinger equation, is the foundationof quantum mechanics. It states: If you measure an observable Q on a particle in a state (x, t )you will get one o
Delaware - PHYSICS - 424
Quantum mechanics in three dimensionsSchrdinger equation in spherical coordinatesHow do we generalize the Schrdinger equation to three dimensions?We previously usedThus,Therefore, the Schrdinger equation in three dimensions isThe probability to nd a
CSU Sacramento - ACCY - 111
Chapter 01 - Environment and Theoretical Structure of Financial AccountingCHAPTER 1ENVIRONMENT AND THEORETICAL STRUCTURE OF FINANCIAL ACCOUNTINGOverviewThe primary function of financial accounting is to provide useful financial information to users ex
CSU Sacramento - ACCY - 111
Chapter 02 - Review of the Accounting ProcessCHAPTER 2REVIEW OF THE ACCOUNTING PROCESSOverviewChapter 1 explained that the primary means of conveying financial information to investors, creditors, and other external users is through financial statemen
CSU Sacramento - ACCY - 111
Chapter 03 - The Balance Sheet and Financial DisclosuresCHAPTER 3THE BALANCE SHEET AND FINANCIAL DISCLOSURESOverviewChapter 1 stressed the importance of the financial statements in helping investors and creditors predict future cash flows. The balance
CSU Sacramento - ACCY - 111
Chapter 04 - The Income Statement and Statement of Cash FlowsCHAPTER 4THE INCOME STATEMENT AND STATEMENT OF CASH FLOWSOverviewThe purpose of the income statement is to summarize the profit-generating activities that occurred during a particular report
CSU Sacramento - ACCY - 111
Chapter 05 - Income Measurement and Profitability AnalysisCHAPTER 5INCOME MEASUREMENT AND PROFITABILITY ANALYSISOverviewThe timing of revenue recognition is critical to income measurement. Revenue affects income, and, under the matching principle, exp
CSU Sacramento - ACCY - 111
Chapter 06 - Time Value of Money ConceptsCHAPTER 6TIME VALUE OF MONEY CONCEPTSOverviewTime value of money concepts, specifically future value and present value, are essential in a variety of accounting situations. These concepts and the related comput
CSU Sacramento - ACCY - 111
Chapter 07 - Cash and ReceivablesCHAPTER 7CASH AND RECEIVABLESOverviewWe begin our study of assets by looking at cash and receivables-the two assets typically listed first in a balance sheet. Internal control and classification on the balance sheet ar
CSU Sacramento - ACCY - 111
Chapter 08 - Inventories: MeasurementCHAPTER 8INVENTORIES: MEASUREMENTOverviewThe next two chapters continue our study of assets by investigating the measurement and reporting issues involving inventories and the related expense-cost of goods sold. In
CSU Sacramento - ACCY - 111
Chapter 09 - Inventories: Additional IssuesCHAPTER 9INVENTORIES: ADDITIONAL ISSUESOverviewWe covered most of the principal measurement and reporting issues involving the asset inventory and the corresponding expense cost of goods sold in the previous
CSU Sacramento - ACCY - 111
Chapter 10 - Property, Plant, and Equipment and Intangible Assets: Acquisition and DispositionCHAPTER 10PROPERTY, PLANT, AND EQUIPMENT AND INTANGIBLE ASSETS: ACQUISITION AND DISPOSITIONOverviewThis chapter and the one that follows address the measurem
CSU Sacramento - ACCY - 111
Chapter 11 - Property, Plant, and Equipment and Intangible Assets: Utilization and ImpairmentCHAPTER 11PROPERTY, PLANT, AND EQUIPMENT AND INTANGIBLE ASSETS: UTILIZATION AND IMPAIRMENTOverviewThis chapter completes our discussion of accounting for prop
CSU Sacramento - ACCY - 111
Chapter 12 - InvestmentsCHAPTER 12INVESTMENTSOverviewIn this chapter we cover various approaches used to account for investments that companies make in the debt and equity of other companies. An investing company has the option to account for these in
CSU Sacramento - AIS - 141
1. In preparing a DFD, when data are transformed through a process, the symbol used should be Student A. a circle.ResponseValue 100% Correct AnswerFeedback B. an arrow. C. a square. D. two horizontal lines. Score: 1/1 2. When designing either
CSU Sacramento - AIS - 141
Chapt er3 1. In preparing a DFD, when data are transformed through a process, the symbol used should be Student A. a circle.ResponseValue Correct Answer Feedback 100% B. an arrow. C. a square. D. two horizontal lines. Score: 1/1 2. When design
CSU Sacramento - AIS - 141
1. Which of the following is the easiest method for a computer criminal to steal output without ever being on the premises? Student Response A. dumpster diving B. by use of a Trojan horseValueCorrect Answer Feedback 0% C. using a telescope to
CSU Sacramento - AIS - 141
1. Which of the following is the easiest method for a computer criminal to steal output without ever being on the premises? Student Response A. dumpster diving B. by use of a Trojan horseValueCorrect Answer Feedback 0% C. using a telescope to
CSU Sacramento - AIS - 141
1. Compatibility tests utilize a(n) _, which is a list of authorized users, programs, and data files the users are authorized to access or manipulate. Student Response A. validity test B. biometric matrix C. logical control matrix D. access control ma
CSU Sacramento - AIS - 141
1. Concerning availability, which of the following statements is true? Student Response A. Human error does not threaten system availability.ValueCorrect Answer Feedback B. Proper controls can maximize the risk of threats causing significant syste
CSU Sacramento - AIS - 141
Customer Customer Name # 101 Crosse, Clay 102 103 Ben-Judah, Tsion Winan, CeCe Address 425 Center St. 1286 Sequoia 345 Sherm Rd City Scenic City Chico Resceta Stat Ag Gende Occupatio Zip e e r n UT 8405 29 M Accountant 8 CA 9130 42 M Truck 7 Driver CA 914
CSU Sacramento - AIS - 141
Simple QueriesSimple Query 3 qry_Simple3 Ag Name e Keagy, Cindy 28 Velaquez, Jaci 31 Winan, CeCe 31 Mattews, Mary 32 Harding, 34 Clarissa Trocolli, Kathy 35Simple Query 4 qry_Simple4 Occupatio Name n Harding, Clarissa Housewife Magdala, Housewife Margar
CSU Sacramento - AIS - 141
ASSIGNMENT 1I. OBJECTIVE The primary objective of this assignment is to teach you how to create tables and forms in Microsoft Access. However, by completing this assignment, you will also be able to gain DBMS skills such as (1) backing up an Access file,
CSU Sacramento - AIS - 141
ASSIGNMENT 2I. OBJECTIVE The objective of this assignment is to allow you to become familiar with using macros to automate procedures. By completing this assignment, you are able to gain DBMS skills such as (1) creating record navigation buttons with key
CSU Sacramento - AIS - 141
CHAPTER 3Data Flow Diagrams and FlowchartsINTRODUCTION Documentation includes the following types of tools: Narratives (written descriptions) Flowcharts Diagrams Other written materialINTRODUCTION How do accountants use documentation? At a minimum,
CSU Sacramento - AIS - 141
Relational DatabaseAgenda Database ManagementAn Introduction Relational Database Entity-Relationship Diagram Relation Data Model ConversionTYPICAL PROBLEMS WITH FILE-BASED SYSTEMSw Organizational memory may be seen as a vast, disorganized data warehou
CSU Sacramento - AIS - 141
Agenda REAThe REA Data Model REA is a specialized version of ERD. The REA data model is a conceptual modeling tool specifically designed to provide structure for designing AIS databases.Basic REA TemplateInternalParticipates inAgentResource Ainfl
CSU Sacramento - AIS - 141
Context DiagramInventory SystemPurchase Requisition Receiving ReportAcquisition/ Payment SystemPurchase Order0Payment Vendor Invoice Vendor acknowledgmentVendorLevel 0 DFDInventory SystemPurchase Requisition Vendor File Inventory File1.0 Prepar
CSU Sacramento - AIS - 141
Flow ChartPurchase Department APurchase Order NotificationAccount PayableInventory System VendorInventory SystemReceiving ReportInvoicesPurchase RequisitionPrepar e Purch ase orderInventor y File Vendor FilePurchase OrderTo VendorFrom Vendor
CSU Sacramento - AIS - 141
REA-NAAELease 0,NParticipatesAgent1,1inAirplane1,Nstockflow1,nLease0,11,1Participates in1,NVendorEconomic DualityParticipate s in 1,1 stockflow 0,N 1,1 0,10,N cashierCash0,NCash Disbursement Participates in 0,NVendorAircraft Aircraf
CSU Sacramento - AIS - 141
CT2 At the Northeast corner of Alaska's Inner Pasage sits the city of Skagway, an old goldrush boom-town whose once bustling population has been reduced to a wintertime size of less than 1,000. About the only time Skagway becomes bustling these days is wh
CSU Sacramento - AIS - 141
Flow ChartField Sales Representative ShippingCustomer OrderSales Order DepartmentData ProcessingWarehouseCustomerMaster FileMaste r FileSales Order Sales OrderSales OrderCustomer Purchase OrderEnter OrderCustomer Order Record Custom er Order
CSU Sacramento - AIS - 141
View Attempt 1 of 1 Title: Started: Submitted: Time spent: Total score: 1. AIS 141 Quiz 8Chapter 16 March 14, 2011 7:06 PM March 14, 2011 7:25 PM 00:19:35 10/10 = 100% Total score adjusted by 0.0 Maximum possible score: 10 Concerning the creation of tab
CSU Sacramento - AIS - 141
Title: Started: Submitted: Time spent: Total score:AIS 141 Quiz 6-Chapter 4 February 26, 2011 11:44 PM February 26, 2011 11:56 PM 00:11:46 10/10 = 100% Total score adjusted by 0.0 Maximum possible score: 101.The part of the DBMS that is used to interro
CSU Sacramento - AIS - 141
Chapter 41. A set of individual user views of the database is called the Student A. schema.ResponseValueCorrect Answer Feedback B. internallevel schema. C. external level schema. D. meta schema. Score: 100% 1/1 2. A database system separ
CSU Sacramento - AIS - 141
View Attempt 1 of 1 Title: Started: Submitted: Time spent: Total score: 1. A set of interrelated, centrally coordinated files is called AIS 141 Exam 2 March 16, 2011 7:00 AM March 16, 2011 8:15 AM 01:14:43 88/100 = 88% Total score adjusted by 0.0 Maximum
CSU Sacramento - AIS - 141
Level 0 DFDCustome rCustomer Purchase Order Sales File1.0Record Customer OrderCustomer Purchase Order2.0 Enter OrderSales OrderApproved Order3.0 Print Sales OrderOrder ConfirmationSales OrderCustome rShipping Notice, Packing slipCustome r5.
CSU Sacramento - AIS - 141
1.The problem of losing desired information from a database when an unw the database is referred to as the _ anomaly. Student A. purgeResponseValueCorrect Answer Feedback B. erase C. delete D. integrity Score: 100% 1/1 2.Accountants may b
CSU Sacramento - MGMT - 101
1. Which of the following is not a penalty for usury? a. forfeiture of interest b. forfeiture of interest and principal c. $1,000 or 1 percent of creditor's net worth d. All of the above are penalties for usury. ANS: C NAT: AACSB: Analytic TOP: usury2. T
CSU Sacramento - MGMT - 101
1. Which of the following is not a form of tangible personal property? a. delivery truck b. trade secret c. office computer d. All of the above are forms of tangible personal property. ANS: B NAT: AACSB: Analytic TOP: personal2. Which of the following is
CSU Sacramento - MGMT - 101
1. Which of the following is not required for an enforceable covenant not to compete? a. sale of a business b. reasonable geographic scope c. reasonable time limits d. All of the above are required. ANS: A NAT: AACSB: Analytic TOP: covenants2. Which act
CSU Sacramento - MGMT - 101
1. Which federal law provides for unemployment compensation? a. FLSA b. OSHA c. ERISA d. none of the above ANS: D NAT: AACSB: Analytic TOP: federal regulation2. Which federal law regulates minimum wage? a. FLSA b. OSHA c. ERISA d. none of the above ANS:
CSU Sacramento - MGMT - 101
1. Which of the following is true of a sole proprietorship? a. A separate tax return must be filed. b. It is not a business entity. c. There is no personal liability for the owner. d. none of the above ANS: B NAT: AACSB: Analytic TOP: sole proprietorship
CSU Sacramento - OPM - 101
Jump to Navigation Frame Your location: Assessments > View All Submissions > View Attempt View Attempt 1 of unlimited Title: Started: Submitted: Time spent: Total score: 1. Q 8 September 30, 2010 12:44 PM September 30, 2010 12:45 PM 00:00:28 3.5/10 = 35