九十七學年第一學期 PHYS2310 電磁學期中考試題 ( 共兩頁 )
|
|
- Μαθθαῖος Καραμήτσος
- 6 χρόνια πριν
- Προβολές:
Transcript
1 九十七學年第一學期 PHY 電磁學期中考試題 ( 共兩頁 ) [Giffiths Ch.-] 補考 8// :am :am, 教師 : 張存續記得寫上學號, 班別及姓名等 請依題號順序每頁答一題 Useful fomulas V ˆ ˆ V V = + θ+ V φ ˆ an θ sinθ φ v = ( v) (sin ) + θvθ + v sinθ θ sinθ φ φ. (8%,%) cos ˆ cos ˆ cos sin v= θ+ φθ θ φφ ˆ Compute v. Check the ivegence theoem using the volume shown in the figue (one octant of the sphee of aius ). [Hint: Make sue you inclue the entie suface.]. (%, %) uppose the potential at the suface of a hollow hemisphee is specifie, as shown in the figue, whee V ( a, θ ) =, V( b, θ ) = V(cosθ 5cosθsin θ), V (, ) =. V is a constant. how the geneal solution in the egion b a an etemine the potential in the egion b a, using the bounay conitions. When V(, b θ ) = Vsinθ an V ( a, θ ) = V (, ) =, how o you solve this poblem? Please explain as etaile as possible. [Hint: P( x) =, P( x) = x, P( x) = (x )/, an P ( x ) = (5 x x )/.] - -
2 λ. (7%, 7%, 6%) The potential of some configuation is given by the expession V() = Ae, whee A an λ ae constants. Fin the enegy ensity (enegy pe unit volume). Fin the chage ensity ρ(). (c) Fin the total chage Q (o it two iffeent ways) an veify the ivegence theoem.. (7%,7%,6%) A unifom line chage λ is place on an infinite staight wie, a istance above a goune conucting plane. Fin the potential V in the egion above the plane. Fin the suface chage ensity σ inuce on the conucting plane. (c) Fin the foce on the wie pe unit length. [Hint: Use the metho of images.] 5. (8%, 6%, 6%) Consie a hollowe chage sphee with aius an unifom chage ensity ρ as shown in the figue. The inne aius of the spheical cavity is /. If the obseve is vey fa fom the chage sphee, fin the multiple expansion of the potential V in powe of / Fin the ipole moment p. (c) Fin the electic fiel E up to the ipole tem. [Note: pecify a vecto with both magnitue an iection.] ρ - -
3 . cos ˆ cos ˆ cos sin v= θ+ φθ θ φφ v = ( v) (sin ) + θvθ + vφ sinθ θ sinθ φ = θ + θ φ + sin sin θ φ cosθ cosθ = cosθ + cosφ cosφ sinθ sinθ = cosθ ˆ ( cos ) (sin cos ) ( cos sin ) θ θ θ φ The ivegence theoem V vτ = v a V / / / vτ = (cos θ) sin θθφ = ( cosθsin θ) θ / / = (sin θ) θ = sin θ θ = 6 v a= xy-plane + yz-plane + zx-plane + cuve suface xy a θφˆ φ v a θ φ θ -plane: =, =, = ( cos sin ) =, -plane:,, ( c / yz-plane: a = θφˆ, φ =, v a= ( cosθsin φ) θ = cos θθ, ( cos θ) θ = zx a = φθˆ θ = v a= / cuve suface: a= sin θθφˆ, =, v a= ( cos θ) sinθθφ = sin θθφ, / / ( sin θ) θφ = v a = + + = = τ v V os φ) φ = cos φφ, ( cos φ) φ =. (i) V ( a, θ ) = Bounay conition (ii) V ( b, ) V (cos 5cos sin ) V (5cos cos ) V P (ii) V (, θ = ) = θ = θ θ θ = θ θ = ( + ) Geneal solution V(, θ) = ( A + B ) P(cos θ) = - -
4 ( + ) + B.C. (i) V( a, θ) = ( Aa + Ba ) P(cos θ) = B = Aa = ( + ) B.C. (ii) Vb (, θ) = ( Ab + Bb ) P(cos θ) = VP (cos θ) = Ab + Bb = V A = B = = B.C. (iii) V(, θ = ) = ( A + B ) P() = A = B = except =, 7 Vb Vba A = an B 7 7 = 7 7 Compaing the coefficiency, fo,,,,5,... b a b a V V 7 5cos θ cosθ V(, θ ) = b ba b a b a (i) V ( a, θ ) = Bounay conition (ii) V( b, θ) = Vsin θ (ii) V (, θ = ) = ( + ) Geneal solution V(, θ) = ( A + B ) P(cos θ) = ( + ) + BC.. (i) ( Aa + Ba ) P(cos θ ) = B = Aa = ( + ) BC.. (iii) A + B P = = BC.. (ii) + a A( b ) P(cos θ) = V sinθ + = b ( ) () =,,5,... only o tems suvive if P( x) P ( x) x P(cos θ) P (cos θ)sinθθ = =, if = + + a A ( b ) P(cos θ) P (cos )sin θ θθ = V sin θp (cos θ)sinθθ + b = + b + A = ( ) V sin θp(cos θ)sinθθ + + b a But A = fo =,,5,... It oes not make sense. Why? V sin θ fo θ A an atifical bounay conition V ( b, θ ) = V sin θ fo θ V sin θ fo θ o V ( b, θ ) = fo θ - -
5 . λ λ λ λ e λe e ( λ+ ) e E= V = A ( )ˆ = A ˆ A ˆ = λ ε ε ( λ+ ) e Enegy ensity = E = A λ ( λ+ ) e λ ˆ ˆ λ ρ = ε ˆ E= εa( ) = ε A( λ+ ) e ( ) + ε A (( λ+ ) e ) ˆ λ ( ) = δ ( ) an ( λ+ ) e δ ( ) = δ ( ) ˆ λ ˆ λ λ λ λ (( λ+ ) e ) = ˆ (( λ ) e ) (( λ ) e ) e + = + = ρ = ε A δ ( ) λ e λ (c) λ λ λ λ = ρ τ = ε δ τ = ε + v v = λ λ λ λ x Q A[ ( ) e ] A[ e ] e = e λ = λe = xe = Q = ρτ = = = = x= v Use Gauss's law, the chage enclose in a sphee of aius Q A( ) e λ λ = ε E a= ε λ + The total chage Q = ε A( λ+ ) e = =. Assume the image line chage of λ is place at a istance below the plane. λ Using the Gauss's law, the electic fiel outsie a line chage λ is E= ˆ. ε λ o V = E l = ln = V( ) Vef ( ) ε λ λ ( x + ) + y V = V+ + V = ln ln = ln ε ε ( x ) + y ( x ) + y ( x+ ) + y - 5 -
6 λ ( x+ ) + y λ ( x+ ) ( x ) σ = ε ˆ En = εex = ln = x ( x ) + y ( x ) y ( x ) y x= λ λ = = + y + y x= λ imple check: λ = σy = y = θ y = Let tan, sec λ λ = (c) / sec sec / θ θ θ θ = λ θ F = Eq = Eλ F λ λ = Eλ = λ = ε ( ) ε + y y 5. Consie this poblem as two chage sphees, one with chage ensity ρ the othe with opposite chage ensity ρ. Vbig = ( ρ ) an Vsmall = ( ρ ( ) ) ε ε = ( + ( ) cos θ + ) Using the pinciple of supeposition, we fin, ( ρ ) ( ρ ( ) )( ( )cos θ ) ε ( ρ ) ( ρ ( ) )( )cos θ, let Q ρ ε V = + + ε 7 = + = ε 8 7Q Q = ( )cosθ + ε 8 ε 8 Q= ρ 7Q Q V = ( )cosθ + ε 8 ε 8 The fist tem is the monopole tem an the secon tem is the ipole tem. Q o the ipole moment p= zˆ. 6 (c) - 6 -
7 7Q Q V = ( )cosθ + ε 8 ε 8 V V ˆ V E= V = ˆ θ φˆ θ sinθ φ 7Q p p = cosθ ˆ sinθθˆ 8 ε ε ε - 7 -
Example 1: THE ELECTRIC DIPOLE
Example 1: THE ELECTRIC DIPOLE 1 The Electic Dipole: z + P + θ d _ Φ = Q 4πε + Q = Q 4πε 4πε 1 + 1 2 The Electic Dipole: d + _ z + Law of Cosines: θ A B α C A 2 = B 2 + C 2 2ABcosα P ± = 2 ( + d ) 2 2
Διαβάστε περισσότεραTutorial Note - Week 09 - Solution
Tutoial Note - Week 9 - Solution ouble Integals in Pola Coodinates. a Since + and + 5 ae cicles centeed at oigin with adius and 5, then {,θ 5, θ π } Figue. f, f cos θ, sin θ cos θ sin θ sin θ da 5 69 5
Διαβάστε περισσότεραSpace Physics (I) [AP-3044] Lecture 1 by Ling-Hsiao Lyu Oct Lecture 1. Dipole Magnetic Field and Equations of Magnetic Field Lines
Space Physics (I) [AP-344] Lectue by Ling-Hsiao Lyu Oct. 2 Lectue. Dipole Magnetic Field and Equations of Magnetic Field Lines.. Dipole Magnetic Field Since = we can define = A (.) whee A is called the
Διαβάστε περισσότεραOscillating dipole system Suppose we have two small spheres separated by a distance s. The charge on one sphere changes with time and is described by
5 Radiation (Chapte 11) 5.1 Electic dipole adiation Oscillating dipole system Suppose we have two small sphees sepaated by a distance s. The chage on one sphee changes with time and is descibed by q(t)
Διαβάστε περισσότεραVEKTORANALYS. CURVILINEAR COORDINATES (kroklinjiga koordinatsytem) Kursvecka 4. Kapitel 10 Sidor
VEKTORANALYS Kusvecka 4 CURVILINEAR COORDINATES (koklinjiga koodinatstem) Kapitel 10 Sido 99-11 TARGET PROBLEM An athlete is otating a hamme Calculate the foce on the ams. F ams F F ma dv a v dt d v dt
Διαβάστε περισσότεραLaplace s Equation in Spherical Polar Coördinates
Laplace s Equation in Spheical Pola Coödinates C. W. David Dated: Januay 3, 001 We stat with the pimitive definitions I. x = sin θ cos φ y = sin θ sin φ z = cos θ thei inveses = x y z θ = cos 1 z = z cos1
Διαβάστε περισσότεραAnalytical Expression for Hessian
Analytical Expession fo Hessian We deive the expession of Hessian fo a binay potential the coesponding expessions wee deived in [] fo a multibody potential. In what follows, we use the convention that
Διαβάστε περισσότεραANTENNAS and WAVE PROPAGATION. Solution Manual
ANTENNAS and WAVE PROPAGATION Solution Manual A.R. Haish and M. Sachidananda Depatment of Electical Engineeing Indian Institute of Technolog Kanpu Kanpu - 208 06, India OXFORD UNIVERSITY PRESS 2 Contents
Διαβάστε περισσότερα(a,b) Let s review the general definitions of trig functions first. (See back cover of your book) sin θ = b/r cos θ = a/r tan θ = b/a, a 0
TRIGONOMETRIC IDENTITIES (a,b) Let s eview the geneal definitions of tig functions fist. (See back cove of you book) θ b/ θ a/ tan θ b/a, a 0 θ csc θ /b, b 0 sec θ /a, a 0 cot θ a/b, b 0 By doing some
Διαβάστε περισσότεραAreas and Lengths in Polar Coordinates
Kiryl Tsishchanka Areas and Lengths in Polar Coordinates In this section we develop the formula for the area of a region whose boundary is given by a polar equation. We need to use the formula for the
Διαβάστε περισσότερα21. Stresses Around a Hole (I) 21. Stresses Around a Hole (I) I Main Topics
I Main Topics A Intoducon to stess fields and stess concentaons B An axisymmetic poblem B Stesses in a pola (cylindical) efeence fame C quaons of equilibium D Soluon of bounday value poblem fo a pessuized
Διαβάστε περισσότεραe t e r Cylindrical and Spherical Coordinate Representation of grad, div, curl and 2
Cylindical and Spheical Coodinate Repesentation of gad, div, cul and 2 Thus fa, we have descibed an abitay vecto in F as a linea combination of i, j and k, which ae unit vectos in the diection of inceasin,
Διαβάστε περισσότεραSection 8.3 Trigonometric Equations
99 Section 8. Trigonometric Equations Objective 1: Solve Equations Involving One Trigonometric Function. In this section and the next, we will exple how to solving equations involving trigonometric functions.
Διαβάστε περισσότεραFundamental Equations of Fluid Mechanics
Fundamental Equations of Fluid Mechanics 1 Calculus 1.1 Gadient of a scala s The gadient of a scala is a vecto quantit. The foms of the diffeential gadient opeato depend on the paticula geomet of inteest.
Διαβάστε περισσότεραHomework 8 Model Solution Section
MATH 004 Homework Solution Homework 8 Model Solution Section 14.5 14.6. 14.5. Use the Chain Rule to find dz where z cosx + 4y), x 5t 4, y 1 t. dz dx + dy y sinx + 4y)0t + 4) sinx + 4y) 1t ) 0t + 4t ) sinx
Διαβάστε περισσότεραMathCity.org Merging man and maths
MathCity.org Merging man and maths Exercise 10. (s) Page Textbook of Algebra and Trigonometry for Class XI Available online @, Version:.0 Question # 1 Find the values of sin, and tan when: 1 π (i) (ii)
Διαβάστε περισσότεραb. Use the parametrization from (a) to compute the area of S a as S a ds. Be sure to substitute for ds!
MTH U341 urface Integrals, tokes theorem, the divergence theorem To be turned in Wed., Dec. 1. 1. Let be the sphere of radius a, x 2 + y 2 + z 2 a 2. a. Use spherical coordinates (with ρ a) to parametrize.
Διαβάστε περισσότεραPractice Exam 2. Conceptual Questions. 1. State a Basic identity and then verify it. (a) Identity: Solution: One identity is csc(θ) = 1
Conceptual Questions. State a Basic identity and then verify it. a) Identity: Solution: One identity is cscθ) = sinθ) Practice Exam b) Verification: Solution: Given the point of intersection x, y) of the
Διαβάστε περισσότερα3.4 SUM AND DIFFERENCE FORMULAS. NOTE: cos(α+β) cos α + cos β cos(α-β) cos α -cos β
3.4 SUM AND DIFFERENCE FORMULAS Page Theorem cos(αβ cos α cos β -sin α cos(α-β cos α cos β sin α NOTE: cos(αβ cos α cos β cos(α-β cos α -cos β Proof of cos(α-β cos α cos β sin α Let s use a unit circle
Διαβάστε περισσότεραCurvilinear Systems of Coordinates
A Cuvilinea Systems of Coodinates A.1 Geneal Fomulas Given a nonlinea tansfomation between Catesian coodinates x i, i 1,..., 3 and geneal cuvilinea coodinates u j, j 1,..., 3, x i x i (u j ), we intoduce
Διαβάστε περισσότεραIntegrals in cylindrical, spherical coordinates (Sect. 15.7)
Integrals in clindrical, spherical coordinates (Sect. 5.7 Integration in spherical coordinates. Review: Clindrical coordinates. Spherical coordinates in space. Triple integral in spherical coordinates.
Διαβάστε περισσότεραr = x 2 + y 2 and h = z y = r sin sin ϕ
Homewok 4. Solutions Calculate the Chistoffel symbols of the canonical flat connection in E 3 in a cylindical coodinates x cos ϕ, y sin ϕ, z h, b spheical coodinates. Fo the case of sphee ty to make calculations
Διαβάστε περισσότεραCRASH COURSE IN PRECALCULUS
CRASH COURSE IN PRECALCULUS Shiah-Sen Wang The graphs are prepared by Chien-Lun Lai Based on : Precalculus: Mathematics for Calculus by J. Stuwart, L. Redin & S. Watson, 6th edition, 01, Brooks/Cole Chapter
Διαβάστε περισσότεραAnswer sheet: Third Midterm for Math 2339
Answer sheet: Third Midterm for Math 339 November 3, Problem. Calculate the iterated integrals (Simplify as much as possible) (a) e sin(x) dydx y e sin(x) dydx y sin(x) ln y ( cos(x)) ye y dx sin(x)(lne
Διαβάστε περισσότεραk A = [k, k]( )[a 1, a 2 ] = [ka 1,ka 2 ] 4For the division of two intervals of confidence in R +
Chapter 3. Fuzzy Arithmetic 3- Fuzzy arithmetic: ~Addition(+) and subtraction (-): Let A = [a and B = [b, b in R If x [a and y [b, b than x+y [a +b +b Symbolically,we write A(+)B = [a (+)[b, b = [a +b
Διαβάστε περισσότερα3.7 Governing Equations and Boundary Conditions for P-Flow
.0 - Maine Hydodynaics, Sping 005 Lectue 10.0 - Maine Hydodynaics Lectue 10 3.7 Govening Equations and Bounday Conditions fo P-Flow 3.7.1 Govening Equations fo P-Flow (a Continuity φ = 0 ( 1 (b Benoulli
Διαβάστε περισσότεραExercises 10. Find a fundamental matrix of the given system of equations. Also find the fundamental matrix Φ(t) satisfying Φ(0) = I. 1.
Exercises 0 More exercises are available in Elementary Differential Equations. If you have a problem to solve any of them, feel free to come to office hour. Problem Find a fundamental matrix of the given
Διαβάστε περισσότεραSection 7.6 Double and Half Angle Formulas
09 Section 7. Double and Half Angle Fmulas To derive the double-angles fmulas, we will use the sum of two angles fmulas that we developed in the last section. We will let α θ and β θ: cos(θ) cos(θ + θ)
Διαβάστε περισσότεραMatrix Hartree-Fock Equations for a Closed Shell System
atix Hatee-Fock Equations fo a Closed Shell System A single deteminant wavefunction fo a system containing an even numbe of electon N) consists of N/ spatial obitals, each occupied with an α & β spin has
Διαβάστε περισσότεραANSWERSHEET (TOPIC = DIFFERENTIAL CALCULUS) COLLECTION #2. h 0 h h 0 h h 0 ( ) g k = g 0 + g 1 + g g 2009 =?
Teko Classes IITJEE/AIEEE Maths by SUHAAG SIR, Bhopal, Ph (0755) 3 00 000 www.tekoclasses.com ANSWERSHEET (TOPIC DIFFERENTIAL CALCULUS) COLLECTION # Question Type A.Single Correct Type Q. (A) Sol least
Διαβάστε περισσότεραThe Laplacian in Spherical Polar Coordinates
Univesity of Connecticut DigitalCommons@UConn Chemisty Education Mateials Depatment of Chemisty -6-007 The Laplacian in Spheical Pola Coodinates Cal W. David Univesity of Connecticut, Cal.David@uconn.edu
Διαβάστε περισσότεραCHAPTER (2) Electric Charges, Electric Charge Densities and Electric Field Intensity
CHAPTE () Electric Chrges, Electric Chrge Densities nd Electric Field Intensity Chrge Configurtion ) Point Chrge: The concept of the point chrge is used when the dimensions of n electric chrge distriution
Διαβάστε περισσότεραCHAPTER 70 DOUBLE AND TRIPLE INTEGRALS. 2 is integrated with respect to x between x = 2 and x = 4, with y regarded as a constant
CHAPTER 7 DOUBLE AND TRIPLE INTEGRALS EXERCISE 78 Page 755. Evaluate: dxd y. is integrated with respect to x between x = and x =, with y regarded as a constant dx= [ x] = [ 8 ] = [ ] ( ) ( ) d x d y =
Διαβάστε περισσότερα1 String with massive end-points
1 String with massive end-points Πρόβλημα 5.11:Θεωρείστε μια χορδή μήκους, τάσης T, με δύο σημειακά σωματίδια στα άκρα της, το ένα μάζας m, και το άλλο μάζας m. α) Μελετώντας την κίνηση των άκρων βρείτε
Διαβάστε περισσότεραAreas and Lengths in Polar Coordinates
Kiryl Tsishchanka Areas and Lengths in Polar Coordinates In this section we develop the formula for the area of a region whose boundary is given by a polar equation. We need to use the formula for the
Διαβάστε περισσότεραProblem Set 9 Solutions. θ + 1. θ 2 + cotθ ( ) sinθ e iφ is an eigenfunction of the ˆ L 2 operator. / θ 2. φ 2. sin 2 θ φ 2. ( ) = e iφ. = e iφ cosθ.
Chemistry 362 Dr Jean M Standard Problem Set 9 Solutions The ˆ L 2 operator is defined as Verify that the angular wavefunction Y θ,φ) Also verify that the eigenvalue is given by 2! 2 & L ˆ 2! 2 2 θ 2 +
Διαβάστε περισσότεραProblem 3.1 Vector A starts at point (1, 1, 3) and ends at point (2, 1,0). Find a unit vector in the direction of A. Solution: A = 1+9 = 3.
Problem 3.1 Vector A starts at point (1, 1, 3) and ends at point (, 1,0). Find a unit vector in the direction of A. Solution: A = ˆx( 1)+ŷ( 1 ( 1))+ẑ(0 ( 3)) = ˆx+ẑ3, A = 1+9 = 3.16, â = A A = ˆx+ẑ3 3.16
Διαβάστε περισσότερα4.2 Differential Equations in Polar Coordinates
Section 4. 4. Diffeential qations in Pola Coodinates Hee the two-dimensional Catesian elations of Chapte ae e-cast in pola coodinates. 4.. qilibim eqations in Pola Coodinates One wa of epesg the eqations
Διαβάστε περισσότεραAREAS AND LENGTHS IN POLAR COORDINATES. 25. Find the area inside the larger loop and outside the smaller loop
SECTIN 9. AREAS AND LENGTHS IN PLAR CRDINATES 9. AREAS AND LENGTHS IN PLAR CRDINATES A Click here for answers. S Click here for solutions. 8 Find the area of the region that is bounded by the given curve
Διαβάστε περισσότεραMock Exam 7. 1 Hong Kong Educational Publishing Company. Section A 1. Reference: HKDSE Math M Q2 (a) (1 + kx) n 1M + 1A = (1) =
Mock Eam 7 Mock Eam 7 Section A. Reference: HKDSE Math M 0 Q (a) ( + k) n nn ( )( k) + nk ( ) + + nn ( ) k + nk + + + A nk... () nn ( ) k... () From (), k...() n Substituting () into (), nn ( ) n 76n 76n
Διαβάστε περισσότεραApproximation of distance between locations on earth given by latitude and longitude
Approximation of distance between locations on earth given by latitude and longitude Jan Behrens 2012-12-31 In this paper we shall provide a method to approximate distances between two points on earth
Διαβάστε περισσότεραDifferentiation exercise show differential equation
Differentiation exercise show differential equation 1. If y x sin 2x, prove that x d2 y 2 2 + 2y x + 4xy 0 y x sin 2x sin 2x + 2x cos 2x 2 2cos 2x + (2 cos 2x 4x sin 2x) x d2 y 2 2 + 2y x + 4xy (2x cos
Διαβάστε περισσότεραInverse trigonometric functions & General Solution of Trigonometric Equations. ------------------ ----------------------------- -----------------
Inverse trigonometric functions & General Solution of Trigonometric Equations. 1. Sin ( ) = a) b) c) d) Ans b. Solution : Method 1. Ans a: 17 > 1 a) is rejected. w.k.t Sin ( sin ) = d is rejected. If sin
Διαβάστε περισσότεραFourier Series. MATH 211, Calculus II. J. Robert Buchanan. Spring Department of Mathematics
Fourier Series MATH 211, Calculus II J. Robert Buchanan Department of Mathematics Spring 2018 Introduction Not all functions can be represented by Taylor series. f (k) (c) A Taylor series f (x) = (x c)
Διαβάστε περισσότεραMATH423 String Theory Solutions 4. = 0 τ = f(s). (1) dτ ds = dxµ dτ f (s) (2) dτ 2 [f (s)] 2 + dxµ. dτ f (s) (3)
1. MATH43 String Theory Solutions 4 x = 0 τ = fs). 1) = = f s) ) x = x [f s)] + f s) 3) equation of motion is x = 0 if an only if f s) = 0 i.e. fs) = As + B with A, B constants. i.e. allowe reparametrisations
Διαβάστε περισσότεραReview Test 3. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Review Test MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Find the exact value of the expression. 1) sin - 11π 1 1) + - + - - ) sin 11π 1 ) ( -
Διαβάστε περισσότεραPhysics 505 Fall 2005 Practice Midterm Solutions. The midterm will be a 120 minute open book, open notes exam. Do all three problems.
Physics 55 Fll 25 Pctice Midtem Solutions The midtem will e 2 minute open ook, open notes exm. Do ll thee polems.. A two-dimensionl polem is defined y semi-cicul wedge with φ nd ρ. Fo the Diichlet polem,
Διαβάστε περισσότεραEquations. BSU Math 275 sec 002,003 Fall 2018 (Ultman) Final Exam Notes 1. du dv. FTLI : f (B) f (A) = f dr. F dr = Green s Theorem : y da
BSU Math 275 sec 002,003 Fall 2018 (Ultman) Final Exam Notes 1 Equations r(t) = x(t) î + y(t) ĵ + z(t) k r = r (t) t s = r = r (t) t r(u, v) = x(u, v) î + y(u, v) ĵ + z(u, v) k S = ( ( ) r r u r v = u
Διαβάστε περισσότεραderivation of the Laplacian from rectangular to spherical coordinates
derivation of the Laplacian from rectangular to spherical coordinates swapnizzle 03-03- :5:43 We begin by recognizing the familiar conversion from rectangular to spherical coordinates (note that φ is used
Διαβάστε περισσότεραParametrized Surfaces
Parametrized Surfaces Recall from our unit on vector-valued functions at the beginning of the semester that an R 3 -valued function c(t) in one parameter is a mapping of the form c : I R 3 where I is some
Διαβάστε περισσότεραSpherical Coordinates
Spherical Coordinates MATH 311, Calculus III J. Robert Buchanan Department of Mathematics Fall 2011 Spherical Coordinates Another means of locating points in three-dimensional space is known as the spherical
Διαβάστε περισσότεραEE512: Error Control Coding
EE512: Error Control Coding Solution for Assignment on Finite Fields February 16, 2007 1. (a) Addition and Multiplication tables for GF (5) and GF (7) are shown in Tables 1 and 2. + 0 1 2 3 4 0 0 1 2 3
Διαβάστε περισσότεραJackson 2.25 Homework Problem Solution Dr. Christopher S. Baird University of Massachusetts Lowell
Jackson 2.25 Hoework Proble Solution Dr. Christopher S. Baird University of Massachusetts Lowell PROBLEM: Two conducting planes at zero potential eet along the z axis, aking an angle β between the, as
Διαβάστε περισσότεραSpace-Time Symmetries
Chapter Space-Time Symmetries In classical fiel theory any continuous symmetry of the action generates a conserve current by Noether's proceure. If the Lagrangian is not invariant but only shifts by a
Διαβάστε περισσότεραCHAPTER 25 SOLVING EQUATIONS BY ITERATIVE METHODS
CHAPTER 5 SOLVING EQUATIONS BY ITERATIVE METHODS EXERCISE 104 Page 8 1. Find the positive root of the equation x + 3x 5 = 0, correct to 3 significant figures, using the method of bisection. Let f(x) =
Διαβάστε περισσότεραSolutions to Exercise Sheet 5
Solutions to Eercise Sheet 5 jacques@ucsd.edu. Let X and Y be random variables with joint pdf f(, y) = 3y( + y) where and y. Determine each of the following probabilities. Solutions. a. P (X ). b. P (X
Διαβάστε περισσότεραTwo-mass Equivalent Link
Notes_08_0 1 of 0 Two-ass Equivalent ink B G JG C B G C = total ass B centroid location CG B = = BC BG BC check approxiate ass oent J J = ( BG ) ( CG ) G G _ APP (for slender rod J = J ) G _ APP G _ ACTUA
Διαβάστε περισσότεραPhysicsAndMathsTutor.com
PhysicsAMthsTuto.com . Leve lk A O c C B Figue The poits A, B C hve positio vectos, c espectively, eltive to fie oigi O, s show i Figue. It is give tht i j, i j k c i j k. Clculte () c, ().( c), (c) the
Διαβάστε περισσότεραTheoretical Competition: 12 July 2011 Question 1 Page 1 of 2
Theoetical Competition: July Question Page of. Ένα πρόβλημα τριών σωμάτων και το LISA μ M O m EIKONA Ομοεπίπεδες τροχιές των τριών σωμάτων. Δύο μάζες Μ και m κινούνται σε κυκλικές τροχιές με ακτίνες και,
Διαβάστε περισσότεραwave energy Superposition of linear plane progressive waves Marine Hydrodynamics Lecture Oblique Plane Waves:
3.0 Marine Hydrodynamics, Fall 004 Lecture 0 Copyriht c 004 MIT - Department of Ocean Enineerin, All rihts reserved. 3.0 - Marine Hydrodynamics Lecture 0 Free-surface waves: wave enery linear superposition,
Διαβάστε περισσότεραthe total number of electrons passing through the lamp.
1. A 12 V 36 W lamp is lit to normal brightness using a 12 V car battery of negligible internal resistance. The lamp is switched on for one hour (3600 s). For the time of 1 hour, calculate (i) the energy
Διαβάστε περισσότερα2 Composition. Invertible Mappings
Arkansas Tech University MATH 4033: Elementary Modern Algebra Dr. Marcel B. Finan Composition. Invertible Mappings In this section we discuss two procedures for creating new mappings from old ones, namely,
Διαβάστε περισσότεραMatrices and Determinants
Matrices and Determinants SUBJECTIVE PROBLEMS: Q 1. For what value of k do the following system of equations possess a non-trivial (i.e., not all zero) solution over the set of rationals Q? x + ky + 3z
Διαβάστε περισσότεραIf we restrict the domain of y = sin x to [ π, π ], the restrict function. y = sin x, π 2 x π 2
Chapter 3. Analytic Trigonometry 3.1 The inverse sine, cosine, and tangent functions 1. Review: Inverse function (1) f 1 (f(x)) = x for every x in the domain of f and f(f 1 (x)) = x for every x in the
Διαβάστε περισσότεραNumerical Analysis FMN011
Numerical Analysis FMN011 Carmen Arévalo Lund University carmen@maths.lth.se Lecture 12 Periodic data A function g has period P if g(x + P ) = g(x) Model: Trigonometric polynomial of order M T M (x) =
Διαβάστε περισσότερα1. (a) (5 points) Find the unit tangent and unit normal vectors T and N to the curve. r(t) = 3cost, 4t, 3sint
1. a) 5 points) Find the unit tangent and unit normal vectors T and N to the curve at the point P, π, rt) cost, t, sint ). b) 5 points) Find curvature of the curve at the point P. Solution: a) r t) sint,,
Διαβάστε περισσότεραIf we restrict the domain of y = sin x to [ π 2, π 2
Chapter 3. Analytic Trigonometry 3.1 The inverse sine, cosine, and tangent functions 1. Review: Inverse function (1) f 1 (f(x)) = x for every x in the domain of f and f(f 1 (x)) = x for every x in the
Διαβάστε περισσότεραChapter 7a. Elements of Elasticity, Thermal Stresses
Chapte 7a lements of lasticit, Themal Stesses Mechanics of mateials method: 1. Defomation; guesswok, intuition, smmet, pio knowledge, epeiment, etc.. Stain; eact o appoimate solution fom defomation. Stess;
Διαβάστε περισσότεραPotential Dividers. 46 minutes. 46 marks. Page 1 of 11
Potential Dividers 46 minutes 46 marks Page 1 of 11 Q1. In the circuit shown in the figure below, the battery, of negligible internal resistance, has an emf of 30 V. The pd across the lamp is 6.0 V and
Διαβάστε περισσότεραPhysics 401 Final Exam Cheat Sheet, 17 April t = 0 = 1 c 2 ε 0. = 4π 10 7 c = SI (mks) units. = SI (mks) units H + M
Maxwell' s Equations in vauum E ρ ε Physis 4 Final Exam Cheat Sheet, 7 Apil E B t B Loent Foe Law: F q E + v B B µ J + µ ε E t Consevation of hage: J + ρ t µ ε ε 8.85 µ 4π 7 3. 8 SI ms) units q eleton.6
Διαβάστε περισσότεραphysicsandmathstutor.com
physicsadmathstuto.com physicsadmathstuto.com Jauay 009 blak 3. The ectagula hypebola, H, has paametic equatios x = 5t, y = 5 t, t 0. (a) Wite the catesia equatio of H i the fom xy = c. Poits A ad B o
Διαβάστε περισσότεραDESIGN OF MACHINERY SOLUTION MANUAL h in h 4 0.
DESIGN OF MACHINERY SOLUTION MANUAL -7-1! PROBLEM -7 Statement: Design a double-dwell cam to move a follower from to 25 6, dwell for 12, fall 25 and dwell for the remader The total cycle must take 4 sec
Διαβάστε περισσότεραEcon 2110: Fall 2008 Suggested Solutions to Problem Set 8 questions or comments to Dan Fetter 1
Eon : Fall 8 Suggested Solutions to Problem Set 8 Email questions or omments to Dan Fetter Problem. Let X be a salar with density f(x, θ) (θx + θ) [ x ] with θ. (a) Find the most powerful level α test
Διαβάστε περισσότεραdx x ψ, we should find a similar expression for rθφ L ψ. From L = R P and our knowledge of momentum operators, it follows that + e y z d
PHYS851 Quantum Mechanics I, Fall 2009 HOMEWORK ASSIGNMENT 11 Topics Coveed: Obital angula momentum, cente-of-mass coodinates Some Key Concepts: angula degees of feedom, spheical hamonics 1. [20 pts] In
Διαβάστε περισσότεραEdexcel FP3. Hyperbolic Functions. PhysicsAndMathsTutor.com
Eecel FP Hpeolic Fuctios PhsicsAMthsTuto.com . Solve the equtio Leve lk 7sech th 5 Give ou swes i the fom l whee is tiol ume. 5 7 Sih 5 Cosh cosh c 7 Sih 5cosh's 7 Ece e I E e e 4 e te 5e 55 O 5e 55 te
Διαβάστε περισσότεραLifting Entry (continued)
ifting Entry (continued) Basic planar dynamics of motion, again Yet another equilibrium glide Hypersonic phugoid motion Planar state equations MARYAN 1 01 avid. Akin - All rights reserved http://spacecraft.ssl.umd.edu
Διαβάστε περισσότερα10/3/ revolution = 360 = 2 π radians = = x. 2π = x = 360 = : Measures of Angles and Rotations
//.: Measures of Angles and Rotations I. Vocabulary A A. Angle the union of two rays with a common endpoint B. BA and BC C. B is the vertex. B C D. You can think of BA as the rotation of (clockwise) with
Διαβάστε περισσότεραECE Spring Prof. David R. Jackson ECE Dept. Notes 2
ECE 634 Spring 6 Prof. David R. Jackson ECE Dept. Notes Fields in a Source-Free Region Example: Radiation from an aperture y PEC E t x Aperture Assume the following choice of vector potentials: A F = =
Διαβάστε περισσότεραMATH 38061/MATH48061/MATH68061: MULTIVARIATE STATISTICS Solutions to Problems on Matrix Algebra
MATH 38061/MATH48061/MATH68061: MULTIVARIATE STATISTICS Solutios to Poblems o Matix Algeba 1 Let A be a squae diagoal matix takig the fom a 11 0 0 0 a 22 0 A 0 0 a pp The ad So, log det A t log A t log
Διαβάστε περισσότεραQ1a. HeavisideTheta x. Plot f, x, Pi, Pi. Simplify, n Integers
2 M2 Fourier Series answers in Mathematica Note the function HeavisideTheta is for x>0 and 0 for x
Διαβάστε περισσότεραTrigonometric Formula Sheet
Trigonometric Formula Sheet Definition of the Trig Functions Right Triangle Definition Assume that: 0 < θ < or 0 < θ < 90 Unit Circle Definition Assume θ can be any angle. y x, y hypotenuse opposite θ
Διαβάστε περισσότεραStrain gauge and rosettes
Strain gauge and rosettes Introduction A strain gauge is a device which is used to measure strain (deformation) on an object subjected to forces. Strain can be measured using various types of devices classified
Διαβάστε περισσότεραLecture 26: Circular domains
Introductory lecture notes on Partial Differential Equations - c Anthony Peirce. Not to be copied, used, or revised without eplicit written permission from the copyright owner. 1 Lecture 6: Circular domains
Διαβάστε περισσότεραΑπόκριση σε Μοναδιαία Ωστική Δύναμη (Unit Impulse) Απόκριση σε Δυνάμεις Αυθαίρετα Μεταβαλλόμενες με το Χρόνο. Απόστολος Σ.
Απόκριση σε Δυνάμεις Αυθαίρετα Μεταβαλλόμενες με το Χρόνο The time integral of a force is referred to as impulse, is determined by and is obtained from: Newton s 2 nd Law of motion states that the action
Διαβάστε περισσότεραSection 8.2 Graphs of Polar Equations
Section 8. Graphs of Polar Equations Graphing Polar Equations The graph of a polar equation r = f(θ), or more generally F(r,θ) = 0, consists of all points P that have at least one polar representation
Διαβάστε περισσότερα1- Uzunluğu b olan (b > λ) tek kutuplu bir tel anten xy düzlemindeki iletken plakaya dik olan z ekseninde bulunmakta olup I
1- Uzunluğu b olan (b > λ) tek kutuplu bi tel anten xy düzlemindeki iletken plakaya dik olan z ekseninde bulunmakta olup I sabit akımı taşımaktadı. a) ( θφ,, ) noktasındaki elektik alanı hesaplayın. 1-
Διαβάστε περισσότεραSTEADY, INVISCID ( potential flow, irrotational) INCOMPRESSIBLE + V Φ + i x. Ψ y = Φ. and. Ψ x
STEADY, INVISCID ( potential flow, iotational) INCOMPRESSIBLE constant Benolli's eqation along a steamline, EQATION MOMENTM constant is a steamline the Steam Fnction is sbsititing into the continit eqation,
Διαβάστε περισσότερα6.4 Superposition of Linear Plane Progressive Waves
.0 - Marine Hydrodynamics, Spring 005 Lecture.0 - Marine Hydrodynamics Lecture 6.4 Superposition of Linear Plane Progressive Waves. Oblique Plane Waves z v k k k z v k = ( k, k z ) θ (Looking up the y-ais
Διαβάστε περισσότεραSolutions - Chapter 4
Solutions - Chapter Kevin S. Huang Problem.1 Unitary: Ût = 1 ī hĥt Û tût = 1 Neglect t term: 1 + hĥ ī t 1 īhĥt = 1 + hĥ ī t ī hĥt = 1 Ĥ = Ĥ Problem. Ût = lim 1 ī ] n hĥ1t 1 ī ] hĥt... 1 ī ] hĥnt 1 ī ]
Διαβάστε περισσότεραProblems in curvilinear coordinates
Poblems in cuvilinea coodinates Lectue Notes by D K M Udayanandan Cylindical coodinates. Show that ˆ φ ˆφ, ˆφ φ ˆ and that all othe fist deivatives of the cicula cylindical unit vectos with espect to the
Διαβάστε περισσότεραSection 9.2 Polar Equations and Graphs
180 Section 9. Polar Equations and Graphs In this section, we will be graphing polar equations on a polar grid. In the first few examples, we will write the polar equation in rectangular form to help identify
Διαβάστε περισσότεραSimilarly, we may define hyperbolic functions cosh α and sinh α from the unit hyperbola
Universit of Hperbolic Functions The trigonometric functions cos α an cos α are efine using the unit circle + b measuring the istance α in the counter-clockwise irection along the circumference of the
Διαβάστε περισσότεραPARTIAL NOTES for 6.1 Trigonometric Identities
PARTIAL NOTES for 6.1 Trigonometric Identities tanθ = sinθ cosθ cotθ = cosθ sinθ BASIC IDENTITIES cscθ = 1 sinθ secθ = 1 cosθ cotθ = 1 tanθ PYTHAGOREAN IDENTITIES sin θ + cos θ =1 tan θ +1= sec θ 1 + cot
Διαβάστε περισσότεραCORDIC Background (2A)
CORDIC Background 2A Copyright c 20-202 Young W. Lim. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version.2 or any later
Διαβάστε περισσότερα( ) ( ) ( ) ( ) ( ) λ = 1 + t t. θ = t ε t. Continuum Mechanics. Chapter 1. Description of Motion dt t. Chapter 2. Deformation and Strain
Continm Mechanics. Official Fom Chapte. Desciption of Motion χ (,) t χ (,) t (,) t χ (,) t t Chapte. Defomation an Stain s S X E X e i ij j i ij j F X X U F J T T T U U i j Uk U k E ( F F ) ( J J J J)
Διαβάστε περισσότεραProblem 3.16 Given B = ˆx(z 3y) +ŷ(2x 3z) ẑ(x+y), find a unit vector parallel. Solution: At P = (1,0, 1), ˆb = B
Problem 3.6 Given B = ˆxz 3y) +ŷx 3z) ẑx+y), find a unit vector parallel to B at point P =,0, ). Solution: At P =,0, ), B = ˆx )+ŷ+3) ẑ) = ˆx+ŷ5 ẑ, ˆb = B B = ˆx+ŷ5 ẑ = ˆx+ŷ5 ẑ. +5+ 7 Problem 3.4 Convert
Διαβάστε περισσότεραReminders: linear functions
Reminders: linear functions Let U and V be vector spaces over the same field F. Definition A function f : U V is linear if for every u 1, u 2 U, f (u 1 + u 2 ) = f (u 1 ) + f (u 2 ), and for every u U
Διαβάστε περισσότεραPg The perimeter is P = 3x The area of a triangle is. where b is the base, h is the height. In our case b = x, then the area is
Pg. 9. The perimeter is P = The area of a triangle is A = bh where b is the base, h is the height 0 h= btan 60 = b = b In our case b =, then the area is A = = 0. By Pythagorean theorem a + a = d a a =
Διαβάστε περισσότεραTrigonometry 1.TRIGONOMETRIC RATIOS
Trigonometry.TRIGONOMETRIC RATIOS. If a ray OP makes an angle with the positive direction of X-axis then y x i) Sin ii) cos r r iii) tan x y (x 0) iv) cot y x (y 0) y P v) sec x r (x 0) vi) cosec y r (y
Διαβάστε περισσότεραPhys460.nb Solution for the t-dependent Schrodinger s equation How did we find the solution? (not required)
Phys460.nb 81 ψ n (t) is still the (same) eigenstate of H But for tdependent H. The answer is NO. 5.5.5. Solution for the tdependent Schrodinger s equation If we assume that at time t 0, the electron starts
Διαβάστε περισσότερα