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Homework PHYS-102 2 Solutions Spring 06/07 ____________________________________________________________ Chapter 19 Electric Forces and Electric Fields P19.31 A = ! r 2 = ! ( 0.200 ) = 0.126 m 2 2 !E = EA cos " 5.20 ! 105 = E ( 0.126 ) cos 0 E = 4.14 ! 106 N C = 4.14 MN C P19.36 # ! & # Q A& mg = qE = q % ( = q% 2 " ( $ 2 "0 ' $ 0 ' #12 ( 0.01) ( 9.8) Q 2 !0 mg 2 8.85 " 10 = = = #2.48 C m 2 A q #0.7 " 10#6 ( ) P19.55 F1 = F= ke q1 q2 r 2 : tan ! 15.0 = 60.0 ! = 14.0 ( 8.99 ! 109 10.0 ! 10"6 F3 ( 8.99 ! 10 ) (10.0 ! 10 ) = 9 ( 0.150) )( ) 2 FIG.P19.55 = 40.0 N 2 "6 2 F2 ( 8.99 ! 10 ) (10.0 ! 10 ) = 9 ( 0.600)2 = 2.50 N "6 2 ( 0.619)2 = 2.35 N Fx = "F3 " F2 cos14.0 = "2.50 " 2.35 cos14.0 = "4.78 N Fy = "F1 " F2 sin 14.0 = "40.0 " 2.35 sin 14.0 = "40.6 N 2 Fnet = Fx2 + Fy = ( 4.78)2 + ( 40.6)2 = 40.9 N tan ! = Fy Fx = "40.6 "4.78 ! = 263
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Drexel >> PHYS >> 102 (Spring, 2008)
PHYS-102 Homework 5 Solutions Spring-08 _ Chapter 21 Current and Direct Current Circuits 25, 29, 31 P21.25 (a) P= (V )2 R 20.0 W = becomes so (b) (11.6 V )2 R R = 6.73 . FIG. P21.25 V = IR so and 11.6 V = I (6.73 ) I = 1.72 A e = IR + Ir s...
Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> PHYS >> 102 (Spring, 2008)
Ampere\'s Law Ampere\'s Law r r states that the line integral of B ds around any closed r path ds equals oI where I is the total steady current passing through any surface bounded by the closed path r r B ds r r B ds = o I Ampere\'s Law, cont Amp...
Drexel >> CALC >> 200 (Spring, 2008)
> term1:=(u2*v3-u3*v2)^2+(u3*v1-u1*v3)^2+(u1*v2-u2*v1)^2; > term2:=(u1^2+u2^2+u3^2)*(v1^2+v2^2+v3^2)-(u1*v1+u2*v2+u3*v3)^2; > term1 - term2; > expand(%); ...
Drexel >> PHYS >> 102 (Spring, 2008)
Faraday\'s Law of Induction This is generally expressed as: an induced emf is produced in the secondary circuit by the changing magnetic field The actual existence of the magnetic field is not sufficient to produce the induced emf, the field must be c...
Drexel >> CALC >> 200 (Spring, 2008)
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Drexel >> CALC >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> CALC >> 200 (Spring, 2008)
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Drexel >> PHYS >> 102 (Spring, 2008)
PHYS-102 Homework 1 Solutions Spring 06/07 _ Chapter 19 Electric Forces and Electric Fields P19.7 (a) The force is one of attraction . The distance r in Coulomb\'s law is the distance between centers. The magnitude of the force is F= . (b) ke q1 ...
Drexel >> PHYS >> 102 (Spring, 2008)
PHYS-102 SPRING-08 QUIZ-II Time Limit: 50 min. Recitation Sec.#_ _ Name_ Notes:1. For problems 2 and 3, your solutions must have adequate details to get full credit. kQ1Q2 r2 U = kQ1Q2/r ; V = kQ/r ; F = qE F= 1/40 = k = 9 x109 Nm 2C !2 1/C ...
Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> PHYS >> 102 (Spring, 2008)
PHYS-102 QUIZ-I SOLUTION SPRING-08 Time allowed: 50 min. Notes: 1. For Prob.1 please circle the answer of your choice for each part. 2. For problems 2 and 3, your solutions must have adequate details to get full credit. __ Name (Please PRINT) _ _ r ...
Drexel >> CALC >> 200 (Spring, 2008)
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Drexel >> CALC >> 200 (Spring, 2008)
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Drexel >> CALC >> 200 (Spring, 2008)
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Drexel >> CALC >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> MATH >> 200 (Spring, 2008)
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Drexel >> PHYS >> 102 (Spring, 2008)
Problem 22.54. Assume that the region to the right of a certain vertical plane contains a vertical magnetic field of magnitude 1.00 mT and that the field is zero in the region to the left of the plane. An electron, originally traveling perpendicular ...
Drexel >> PHYS >> 102 (Spring, 2008)
emf A source of emf (electromotive force) is an entity that maintains the constant voltage of a circuit The emf source supplies energy, it does not apply a force, to the circuit The battery will normally be the source of energy in the circuit Co...
Drexel >> PHYS >> 102 (Spring, 2008)
RC Circuits A direct current circuit may contain capacitors and resistors, the current will vary with time When the circuit is completed, the capacitor starts to charge The capacitor continues to charge until it reaches its maximum charge (Q = C) Onc...
Drexel >> PHYS >> 102 (Spring, 2008)
Electric and Magnetic Fields An electric field surrounds any stationary electric charge The region of space surrounding a moving charge includes a magnetic field In addition to the electric field A magnetic field also surrounds any material with per...
Drexel >> PHYS >> 102 (Spring, 2008)
Quiz reminder Quiz next Wednesday 8:00am 8:50 am Refer to course website for exam location No make-up quiz! 1 conceptual and 2 numerical problems Coverage: Chapter 19 Preparation: concentrate on L, R and HW problems as well as textbook examples; re...
Drexel >> PHYS >> 102 (Spring, 2008)
Quiz reminder Quiz next Wednesday 8:00am 8:50 am Refer to course website for exam location No make-up quiz! 1 conceptual and 2 numerical problems Coverage: Chapter 19 Bring your calculator Basic formulas will be provided as well as universal physic...
Drexel >> PHYS >> 102 (Spring, 2008)
Problem 20.54. (a) How much charge can be placed on a capacitor with air between the plates before it breaks down if the area of each of the plates is 5.00 cm2? (b) Find the maximum charge assuming polystyrene is used between the plates instead of ai...
Drexel >> PHYS >> 102 (Spring, 2008)
Lecture Notes for Chapter 19 http:/www.physics.drexel.edu/~jelena/Phys102Lectures /Lectures102Post.html 1 Applying Gauss\' Law Gauss\' Law is valid for the electric field of any system of charges or continuous distribution of charge. Although Gauss\' ...
Drexel >> PHYS >> 102 (Spring, 2008)
Chapter 20: Electric Potential and Capacitance 1. The concepts covered in this chapter are: 1. Electric potential 2. Electric potential energy 3. Capacitance 4. Capacitors arranged in series and parallel configuration 5. Air- and dielectric-filled ca...
Drexel >> COOP >> 101 (Spring, 2008)
Dressed for Success ~ The Art of Professional Appearance This section will examine: Attire for Interviewing Women\'s Interview Attire Men\'s Interview Attire Suit Considerations for Men Special Major-Specific & Religious Considerations Business Casual...
Drexel >> COOP >> 101 (Spring, 2008)
CONQUER THE COVER LETTER PURPOSE OF COVER LETTER Get an employer interested in you Show your individuality so an employer can see why you stand out from other candidates Work with the resume to get you an interview Like a resume, a cover letter...
Drexel >> PHYS >> 102 (Spring, 2008)
CHAPTER-21 NOTES CURRENT AND DIRECT-CURRENT CIRCUITS _ 1. Current and current density: Current I = Q/t, is the amount of charge flowing past a certain cross sectional area per unit time. The unit for current is the Ampere (A). (1 A = 1C/s) The curren...
Drexel >> PHYS >> 102 (Spring, 2008)
Ampere\'s Law Ampere\'s Law r r states that the line integral of B ds around any closed r path ds equals oI where I is the total steady current passing through any surface bounded by the closed path r r B ds r r B ds = o I Ampere\'s Law, cont Amp...
Drexel >> PHYS >> 102 (Spring, 2008)
CHAPTER - 22 MAGNETIC FORCES AND MAGNETIC FIELDS A stationary charge q experiences a force F in an electric field E according to F = qE. A charge q moving with velocity v experiences a force F in a magnetic field B according to F = qvxB. The magneti...
Drexel >> PHYS >> 102 (Spring, 2008)
Chapter-19 You are expected to: Coulomb\'s Law 1. Use Coulomb\'s law to calculate the electric forces between charges. 2. Calculate the E-field due to a discrete charge distribution and simple continuous charge distributions. 3. Know the distinction ...
Michigan State University >> MMG >> 409 (Summer, 2008)
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Michigan State University >> MMG >> 409 (Summer, 2008)
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Michigan State University >> MMG >> 409 (Summer, 2008)
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Michigan State University >> MMG >> 409 (Summer, 2008)
KORMAN AND McLICK\'s PSEUDOROTATION MECHANISM FOR CONVERSION OF ADP INTO ATP ADP rem P Oxygen c g F1 In the matrix g F0 a, c subunits F1 ge subunits b subunits b a, b subunits F0 b b In the IM F0 acts as a molecular turbine The g subunit ...
Michigan State University >> MMG >> 409 (Summer, 2008)
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UNC >> EXSS >> 380 (Summer, 2008)
Loop Systems Open Loop (Feedback) -Sensory input processed to generate movement commands. -CNS changes output based on sensory input. Closed Loop (Feedforward) -CNS provides output independent of sensory input or movement outcomes -Must have knowled...
UNC >> EXSS >> 380 (Summer, 2008)
Tenomuscular Receptors Muscle spindle -Sensitive to muscle length and muscle length -Indirect indication of joint position sense and kinesthesia -Efferent innervations by gamma and beta motorneurons. Golgi Tendon Organ -Sensitive to muscle tension -...
UCSD >> MAE >> 143B (Spring, 2007)
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UCSD >> MAE >> 143B (Spring, 2007)
MAE 143B Linear Control Prof. M. Krstic August 15, 2005 MIDTERM NAME: Solution Open books and notes. Present your reasoning and calculations clearly. Random or inconsistent etchings will not be graded. Write only on the paper provided. If you...
UCSD >> MAE >> 143B (Spring, 2007)
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UCSD >> MAE >> 143B (Spring, 2007)
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UCSD >> MAE >> 143B (Spring, 2007)
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Virginia Tech >> ISE >> 3014 (Spring, 2008)
Fall 2006 T. E. Lockhart ISE 3014 - SECOND EXAMINATION Examination guidelines: Part I: Closed book / closed notes. Part II: Opened book/ opened notes. Use complete sentences to respond to narrative questions. Use the space provided to answer questi...
American University of Sharjah >> MECHANICAL >> 223,224,22 (Spring, 2008)
1 TABLE OF CONTENTS 1. Abstract. 2 2. Introduction.2 3. Theoretical Background.2 4. Experiment\'s apparatus.2 5. Experiment\'s procedure.2 6. Results and Calculations.2 6.1 Engineering Stress..2 6.2 Engineering Strain.3 7. Discussion.4 8. Conclusion.4...
American University of Sharjah >> MECHANICAL >> 223,224,22 (Spring, 2008)
CHAPTER 13 KEY EQUATIONS Equation Number Key Equation 13.1 v iE = I ES exp BE V T iE = iC + iB 13.2 - 1 13.3 13.6 13.9 = iC iE 13.10 13.20 13.21 13.23 13.24 13.35 13.38 13.39 13.40 13.43 13.44 13.45 13.46 v iC I s exp BE V T i ...
American University of Sharjah >> MECHANICAL >> 223,224,22 (Spring, 2008)
CHAPTER 11 KEY EQUATIONS Equation Number Key Equation v o (t ) = Avv i (t ) 11.1 i 11.2 Ai = o 11.3 11.4 11.5 11.6 11.7 11.8 11.9 ii v R i R Ai = o = o L = Av i ii v i Ri RL P G = o Pi R P VI G = o = o o = Av Ai = (Av )2 i Pi Vi I i RL Av = Av 1Av 2...
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