Exam 3011
Physics 2220
Spring 2003
Examination 3
Name: _
SS#:
_
Professor/Section :
(circle one)
Weathers/2
McDaniel/3
McDaniel/4
To receive credit, you must show all work for all 10 problems on the pages provided. Dont
hand in any extra sheets or other p
Course Orientation
PHYSICS 2220
Electricity and Magnetism
Spring 2017
Lecture Section 001, TR 9:30-10:50 p.m.
Instructor: Dr. Weathers
Get Ready!
Create Your
REEF Polling
Account:
Are you here?
1. Select
Create a New
Account
2. Find and select your instit
Exam 2011
Physics 2220 I, _
Spring 2003 _ , , _ ' ' ' ' 1
Examination 2
Name:
SS#:
Professor/ Section : Weathers/2
(circle one) McDaniel/3
McDaniel/4 ~
Tolreceive credit, you must show all work for all 10 problems on the pages provided. Dont
hand in any
Seat # i
, Physics 2220
- Spring 2000
Final Examination
Name:
Last 4 digits of SS#:
Course Section:
Exam Number: 4 l H
Professor:
To receive credit, you must show all work for EACH problem (multiplechoice
included) on the pages provided. Dont hand in anyt
Physics 2220Reminders and
Announcements
Get registered on the homework server if you havent
Homework 1 is due Friday, 27 Jan., 7 pm. Remember to
submit answers online and turn in paper copy upstairs.
Register for REEF; remember, its free. If you havent
1. A capacitor is made from two square metal plates with
sides of length L and separated by a distance d. The top
half of the space is filled with material of 1 and the bottom
half is filled with material of 2. When the capacitor is
charged, the ratio of
Electric Field for Point Charge
E
Fe
q
ke 2 r
qo
r
Superposition with Electric
Fields
At any point P, the total electric field due to
a group of source charges equals the vector
sum of electric fields of all the charges
E ke
i
Electric Field Continuous
3/23/2016
Linear Momentum:
Definition: For a single particle, the momentum p is
defined as:
(p is a vector since v is a
p = mv
vector).
So px = mvx etc.
Newtons 2nd Law:
F = ma
d
( mv )
m dv
dt
dt
For a system of particles the total
momentum P is the ve
Chapter 14
Simple Harmonic Motion (SHM) Horizontal
Spring
Introduction to Simple Harmonic Motion
Horizontal spring & mass
The meaning of all these sines and cosines
Vertical spring & mass
The energy approach
The simple pendulum
The rod pendulum
We know t
PHY231 Section 2, Form A&B
February 9, 2012
1. A puck slides across a smooth, level tabletop at height H at a constant speed vo. It
slides off the edge of the table and hits the floor a distance x away as shown in the figure.
(Hint: find the time to hit t
4/29/2016
Johannes Kepler:
Laws of Planetary Motion
Keplers Firsts
Johannes Kepler (1571 1630)
Used the precise observational tables of
Tycho Brahe (1546 1601) to study
planetary motion mathematically.
First to investigate the formation of pictures with
How to Write Lab Notes and Lab Reports
How to Write Lab Notes and Lab Reports
Important Note:
Each instructor has a specific way they want students to record and maintain lab notes and
summarize their lab activities. Your instructor may provide you with s
4/15/2016
Action at a distance
Gravity:
Chapter 13
Universal Gravitation
Gravitation
(Courtesy of Newton)
Gravitation
(Courtesy of Newton)
Newton found that amoon / g = 0.000278
and noticed that RE2 / R2 = 0.000273
amoon
amoon
R
g
R
g
RE
This inspired him
3/7/2016
Work done by gravity:
Wg = F r = mg r cos
= -mg y
(remember y = yf - yi)
m
Wg = -mg y
mg
r
j
y
Depends only on y !
m
W NET = W1 + W2 + . . .+ Wn
= F r 1+ F r2 + . . . + F rn
= F (r1 + r 2+ . . .+ rn)
= F r
= F y
m
y
r3
Wg = -mg y
r
mg
r1
r2
Thr
Week 5 homework
IMPORTANT NOTE ABOUT WEBASSIGN:
In the WebAssign versions of these problems, various details have been changed, so that
the answers will come out differently. The method to find the solution is the same, but
you will need to repeat part of
Student _
Class _
Date _
1. Which one of the following statements concerning momentum is true?
A) Momentum is a force.
B) Momentum is a scalar quantity.
C) The SI unit of momentum is kg m2/s.
D) The momentum of an object is always positive.
E) Momentum an
2014 AP 2 Finals Review MC- answers are starred
1. Which one of the following statements concerning vectors and scalars is false?
A) In calculations, the vector components of a vector may be used in place of the vector itself.
B) It is possible to use vec
Math pre-test for 1430 labs
Student Name: _
Student UNT User Name: _
Instruction: Please complete the test before your first lab day and submit to your TA with your pre-lab
questionnaire as you enter the lab room. The test will account for 25% of your gra
Physics 2240
2/25/2016
Experiment 4
Ohm's Law and Series Parallel Circuits
Stephen Rocha
Introduction
We will be verifying Ohm's Law for commercially manufactured resistors and validating to make
sure they behave the way they should. We are going to exami
Physics 2240
4/6/2016
Experiment 7
Magnetic Field of a Current Carrying Coil
Stephen Rocha
Introduction
Our objective was to measure the magnetic field when we push our probe through
a coil. We want to verify that our theoretical hypothesis matches with o
Mar15
Motions in the Nighttime Sky and the Celestial Sphere
Background
Throughout time, humans have created models of the nighttime sky to help them predict the
motions within the nighttime sky as well as the Sun throughout the year. One of the earliest
m
Name: David Esparza
Date: 9/29/2016
Virtual lab: Energy Transitions in a pendulum
interactive Figure 3.22
The Sum of potentail energy and kinetic energy is called Mechanical energy. In the
absence of exteral forces the totla mechnaical energy of aystem re