Today 1/24
o HW: 1/23 Handout Beats and Boundaries due Wednesday 1/29 o Today: Beats 17.4 Reflections at Boundaries 27.3 o Monday: Thin Film Interference 27.3 o Labs start Monday
Next Weeks Lab: Microwaves
o A wave in the electric field o Reflection and t
Physics 212 Spring 2003
4/9 HW Handout Magnetism
Name_ Due Friday 4/11
1) There is a B-field inside the box at right. An electron (-charge) enters the box from the left and follows the curved path shown at constant speed. a) What direction does the accele
Physics 212 Spring 2003
3/31 HW Handout Circuits 4
Name_ Due Thursday 4/3
1) Find the current through each resistor and the battery. Also find the voltage across each resistor. All the batteries are 12 volts. Show all your work. a)
R1 7 R2 5 R6 5 R3 3 R5
Physics 212 Spring 2003
3/28 HW Handout Circuits 3
Name_ Due Wednesday, 4/2
1) In the circuits below, enough information is given to find current through each element and the voltage across each element. Find all unknown currents, voltages, and resistance
Physics 212 Spring 2003
Circuits 3 Solution (assigned 3/27)
Name_ Due Monday, 3/31
1) Find the current through each resistor and the battery. Also find the voltage across each resistor. All the batteries are 12 volts. Show all your work. R1 = 2 , R2 = 4 ,
Physics 212 Spring 2003
3/27 HW Handout Circuits 2
Name_ Due Monday 3/31
1) Find the current through each resistor and the battery. Also find the voltage across each resistor. All the batteries are 12 volts. Show all your work. R1 = 2 , R2 = 4 , R3 = 6 .
Physics 212 Spring 2003
3/26 HW Handout Circuits 1
Name_ Due Friday, 3/28
1) Rank the bulbs in the following circuits for brightness using the model for current. Write down all the reasoning that shows how you determined your answer. State which bulbs can
Physics 212 Spring 2003
3/24 HW Handout Name_ Plate Potential 2 Due Thursday 3/27
1) The electric potential difference between two plates is 200 J/C. There is no battery connecting the two plates so charge cannot move from one to the other. a) A +3C charg
Physics 212 Spring 2003
3/12 HW Handout Name_ Plate Potential Due Friday 3/14
All the questions below refer to two charged plates with equal but opposite charge density o. You may consider them insulating or conducting, it will not matter. The questions a
Physics 212 Spring 2003
3/12 HW Handout Name_ Plate Potential Due Friday 3/14
All the questions below refer to two charged plates with equal but opposite charge density o. You may consider them insulating or conducting, it will not matter. The questions a
Physics 212 Spring 2003
4/10 HW Handout Force on Loops
Name_ Due Monday 4/14
1) A Phantom magnet is drawn inside several current loops. Determine the N and S poles of the Phantom magnet given the current direction in the loop.
Iloop Iloop N or S end? Iloo
Physics 212 Spring 2003
4/11 HW Handout Torque on Loops
Name_ Due Wednesday 4/16
1) Using that idea that current loops can be thought of as magnets, determine if a real magnet repels or attracts the current loop. Use the phantom magnet in your reasoning.
Physics 212 Spring 2003
4/14 HW Handout Wires
Name_ Due Thursday 4/17
1) Given the arrangements of wires with currents into and out of the page, find the resultant (net) B-field at the locations marked with an . Draw the B-field vectors for the individual
Today 1/23
o Today: Youngs Double Slit experiment, Text 27.2 Beats, Text 17.4 o HW: 1/23 Handout Youngs Double Slit due Monday 1/24 o Friday: Phase Shifts on Reflection, Text 27.3 (See fig 27.11) o Peer Guidance Center 1-4 Mon-Thur Wit 211 (Not 209)
Young
Today 1/22
o Light Interference: read Text 27.1,2 o HW: 1/22 Handout Interference (more than one frequency) due Friday 1/24 o Today: Questions? Example Problem Youngs Double Slit experiment o Peer Guidance Center Begins Wed afternoon Wit 209
A little revi
Today 1/17
o Interference o HW: 1/17 HW Handout Interference Due Thur, 1/23 (beginning of class) o Todays goal: Predict locations where constructive and destructive interference occur.
This picture now includes the sources of the waves. In this case the s
Today 1/16
o Waves o Interference of Waves o HW: 1/16 HW Handout Superposition Due Wed, 1/22 (beginning of class) o Read: Ch 16.1,2,5 Ch 17.1,2 o Suggest: Problems 16-1,2,3,4,5,8 o Note: This lecture is mostly animations and is more than 80 slides long! B
Physics 212
College Physics II
Introduction
h Instructor: Larry Watson h Office: 105 Witmer h Phone: 777-3525 h e-mail: larry_watson@und.nodak.edu h web: und.nodak.edu/instruct/lwatson/212
Textbook
h Physics
h by Cutnell and Johnson, fifth edition
h Lab T
Physics 212 Spring 2003
2/10 HW Handout Two Lenses
Name_ Due Thursday 2 13
1) Below is a two lens system and an object positioned 18cm in front of the first lens. Your job is to locate the final image and its size. You need to show how the math matches yo
Physics 212 Spring 2003
2/10 HW Handout Two Lenses
Name_ Due Thursday 2 13
1) Below is a two lens system and an object positioned 18cm in front of the first lens. Your job is to locate the final image and its size. You need to show how the math matches yo
Physics 212 Spring 2003 Example:
4/17 HW Handout Induced Current
Name_ Due Thursday 4/24
A magnet slides along a track toward a conducting loop as shown. Which direction will the current flow around the loop? Show with an arrow on the loop. Show your reas
Physics 212 Spring 2003
4/16 HW Handout Wires 2
Name_ Due Wednesday 4/23
1) Given the arrangements of wires with currents into and out of the page, find the resultant (net) B-field at the location of wire 3 and the force on wire 3. Express the net B field
Physics 212 Spring 2003
3/10 HW Handout Plates of Charge
Name_ Due Thursday 3/13
1) Find the E-field direction and size in terms of and o at each location shown. a) +
- b) -
- c)
+
-2
d) +
+
Physics 212 Spring 2003
3/10 HW Handout Plates of Charge
Name_ Due Thursday 3/13
1) Find the E-field direction and size in terms of and o at each location shown. =0 a) + = / o - b) - = / o =0 = / o =0
- c)
+
= / o = 3 / o
-2
= / o
d) all = 2 / o +
+
Physics 212 Spring 2003
3/3 HW Handout Charge Assembly 2
Name_ Due Thursday 3/6 m = 6g q = +4 x 10-4 C 3m m = 5g q = +23m x 10-4 C 3m m = 4g q = +3 x 10-4 C
1) Using the total energy stored in the assembly of charges, find the velocity of the released cha
12/13 Review
2 Presentation The Double Ballistic Pendulum 2 Final Exam Tuesday 12/18, 8-10 am, Wit 116 150 total points but weighted as two regular 100 point exams 2 Review Guide on web 2 Peer Guide today 2-4 in Witmer 115 2 Be sure to turn in your last l
12/12 Review
2 Presentation Torque and the Yo-Yo 2 Final Exam Tuesday 12/18, 8-10 am, Wit 116 150 total points but weighted as two regular 100 point exams 2 Review Guide on web 2 Peer Guides this week? 2 Be sure to turn in your last lab!
A Yo-Yo is at res
12/10 Review
2 Presentation Projectile Motion Examples 2 Final Exam Tuesday 12/18, 8-10 am, Wit 116 150 total points but weighted as two regular 100 point exams Anywhere from six 25-point problems to ten 15-point problems 2 Review Guide on web
MCAT Review
12/3 Simple Harmonic Motion
2 Presentation Energy, Vetocity, and Accel. in SHM 2 HW Simple Harmonic Motion 2 Due Wednesday 12/5 2 Exam IV Thursday Eve 12/6 5-7 Wit 116 Angular Momentum Simple Harmonic Motion Torque Energy
Key Concepts:
The period T depen