IUP Physics Department
SP 2015
A. Haija
Unit 2
ELECTRIC POTENTIAL & ELECTROSTATIC POTENTIAL ENERGY
Introduction: An electrostatic force, Fe, on a charge, q, due to another charge, or due to an electric field E, is
conservative like the gravitational force
IUP Physics Department
SP 2010
A. J. Haija
Unit 1B
ELECTRIC FORCES AND ELECTRIC FIELDS  Continued
1.4 Electric Flux:
The electric flux E through an area A is defined as
E = E A cos ,
(1.6)
where is the angle between the electric field E and the normal N
IUP Physics Department
SP 2015
A. Haija
Unit 1A
ELECTRIC FORCES AND ELECTRIC FIELDS
1.1 Introduction: Electric charge is a fundamental quantity in physics. It is inherent in the microscopic atomic
structure of matter. Charges are incorporated in matter a
CHAPTER ONE:
What is psychology?

The study of thought and behavior
Distinctions is made between the science of psychology
Why study psychology?

Makes you more aware of how people work
Help you understand yourself
Help you be more effective in everythi
Chapter 6 Bacterial Growth, Nutrition and Differentiation
Microbial Nutrition
Are there any limits to microbial growth?
Growth Factors
Many microbes cannot assemble all the compounds they need for growth on their own
Different for different organisms
Need
MasteringPhysics: HW9Ch3
12/13/16, 11(45 PM
Graphing Projectile Motion
For the motion diagram given , sketch the shape of the
corresponding motion graphs in Parts A to D. Use the indicated
coordinate system. One unit of time elapses between consecutive
do
MasteringPhysics: HW9Ch3
12/13/16, 11(40 PM
Introduction to Projectile Motion
Learning Goal:
To understand the basic concepts of projectile motion.
Projectile motion may seem rather complex at first. However, by breaking it down into components, you will
HW4CH1
12/14/16, 12(00 AM
HW4CH1
Due: 11:59pm on Friday, September 9, 2016
You will receive no credit for items you complete after the assignment is due. Grading Policy
Consistency of Units
In physics, every physical quantity is measured with respect to a
MasteringPhysics: HW6Ch2
12/13/16, 11(51 PM
Average Velocity from a Position vs. Time Graph
Learning Goal:
To learn to read a graph of position versus time and to calculate average velocity.
In this problem you will determine the average velocity of a mo
MasteringPhysics: HW6Ch2
12/13/16, 11(50 PM
Problem 2.01
An ant is crawling along a straight wire, which we shall call the x axis, from A to B to C to D (which overlaps A ), as shown
in the figure below. O is the origin. Suppose you take measurements and
MasteringPhysics: HW5CH1
12/13/16, 11(55 PM
Vector Components: Review
Learning Goal:
To introduce you to vectors and the use of sine and cosine for a triangle when resolving components.
Vectors are an important part of the language of science, mathematics
MasteringPhysics: HW3CH1
12/13/16, 11(57 PM
Vector Components: Review
Learning Goal:
To introduce you to vectors and the use of sine and cosine for a triangle when resolving components.
Vectors are an important part of the language of science, mathematics
MasteringPhysics: HW11Ch4
12/14/16, 12(01 AM
Two Forces Acting at a Point
Two forces, F 1 and F 2 , act at a point, as shown in the picture.
F 1 has a magnitude of 9.40 N and is directed at an angle of =
57.0 above the negative x axis in the second quadra
MasteringPhysics: HW3CH1
12/13/16, 11(58 PM
Biking Vectors
A student bikes to school by traveling first dN = 0.800 miles north, then dW = 0.400 miles west, and finally dS = 0.100
miles south.
Part A
Take the north direction as the positive y direction an
MasteringPhysics: HW5CH1
12/13/16, 11(54 PM
Converting between Different Units
Unit conversion problems can seem tedious and unnecessary at times. However, different systems of units are used in
different parts of the world, so when dealing with internati
MasteringPhysics: HW9Ch3
12/13/16, 11(46 PM
Direction of Velocity at Various Times in Flight for Projectile Motion Conceptual
Question
For each of the motions described below, determine the algebraic sign (positive, negative, or zero) of the x component a
MasteringPhysics: HW3CH1
12/13/16, 11(56 PM
Components of Vectors
Shown is a 10 by 10 grid, with coordinate axes x and y
.
The grid runs from 5 to 5 on both axes. Drawn on this grid are
four vectors, labeled A through D . This problem will ask you
variou
MasteringPhysics: HW5CH1
12/13/16, 11(53 PM
Scientific Notation
k
A number written in scientific notation has the form a 10 , where 1 a < 10 and k is an integer, that is, k is one of
. . . 3, 2, 1, 0, 1, 2, 3. .
Part A
Determine the values of a and k whe
MasteringPhysics: HW6Ch2
12/13/16, 11(52 PM
Analyzing Position versus Time Graphs: Conceptual Question
Two cars travel on the parallel lanes of a twolane road. The cars
motions are represented by the position versus time graph shown
in the figure. Answer
MasteringPhysics: HW3CH1
12/13/16, 11(56 PM
Adding and Subtracting Vectors Conceptual Question
Six vectors (A to F) have the magnitudes and directions indicated in the figure.
Part A
Which two vectors, when added, will have the largest (positive) x compon
MasteringPhysics: HW6Ch2
12/13/16, 11(51 PM
Problem 2.26
A little cat, Bella, walks in a straight line, which we shall call the x axis, with the positive direction to the right. As an
observant scientist, you make measurements of her motion and construct
MasteringPhysics: HW6Ch2
12/13/16, 11(51 PM
Problem 2.06
An object moves along the x axis. The figure shows a graph of its position x as a function of time.
Part A
Find the average velocity of the object from points A to B , B to C , and A to C .
Please
MasteringPhysics: HW5CH1
12/13/16, 11(53 PM
Significant Figures
Part A
27
To seven significant figures, the mass of a proton is 1.672623 10
demonstrates correct rounding?
kg . Which of the following choices
Check all that apply.
ANSWER:
1.672 1027 kg
1.67
MasteringPhysics: HW3CH1
12/13/16, 11(58 PM
Multiple Choice Problem 1.06
Part A
If the vector B has a magnitude of 45.0 m and makes an angle of 60.0
with the +x axis, the vector B
ANSWER:
has a magnitude of 45.0 m
has the same direction as B , but a magn
MasteringPhysics: HW5CH1
12/13/16, 11(54 PM
Problem 1.55: How much blood in a heartbeat?
A typical human contains 5.00 L of blood, and it takes 1.00 min for all of it to pass through the heart when the person is
resting with a pulse rate of 75.0 heartbeat
First study questions/topics/vocabulary 1. What does "Paleolithic" mean? 2. In what countries are painted Paleolithic caves found? 3. When were the Paleolithic caves painted? 4. What materials were used by Paleolithic artists to paint with? 5. Where
Brane World Cosmology
Philippe Brax , Carsten van de Bruck and AnneChristine Davis
arXiv:hepth/0404011v1 2 Apr 2004
Service de Physique Thorique, CEASaclay F91191, Gif/Yvette cedex, France e Department of Applied Mathematics, AstroParticle and
1
Brane cosmology: an introduction
David Langlois
)
GReCO, Institut d'Astrophysique de Paris 98 bis, Boulevard Arago, 75014 Paris, France
arXiv:hepth/0209261v1 30 Sep 2002
(Received February 1, 2008) These notes give an introductory review on br