PHYS2001 Exam 2 (Chs. 5 9) Fall 2014
Name:_
1. You simultaneously drop two balls, 1 and 2, from the same height. Ball 1 has
mass m, and ball 2 has mass 2m. Neglect air resistance. Which of the following
statements is true?
A)
B)
C)
D)
E)
The work done on
Test 3 - Physics 2113 Fall 2016
November 9, 2016
Last Name: Vx First name:
Sec. 1 MWF 8:30am (Rupnik) Sec. 2 MWF 10:303m (Stadler) Sec. 3 MWF 12:30pm (Blackmon)
Sec. 4 MWF 1:30pm (Launey) Sec. 5 MWF 2:30pm (Zuniga-Hansen)
Sec. 6 TuTh 12:00pm (Wilde) Sec.
Preliminary formula Sheet for LSU Physics 2113, Final Exam, Fall 16
Constants, definitions:
C2
Nm2
REarth = 6.37 106 m
MEarth = 5.98 1024 kg
RM oon = 1.74 106 m
MM oon = 7.36 1022 kg
MSun = 1.99 1030 kg
Earth-Sun distance = 1.501011 m
Earth-Moon distance
Questionl :The magnetic eld component of an electromagnetic wave is given byB =B cos(kz+cot)1
(a) In what direction 15 the wave propagating? 0 +x W
O 'X $1\ 50
O +y SwnL 6'
O -y -*> "Z
0 +2
0 -z
(b) In what direction does the electric eld point at the ori
Test 2 - Physics 2113 - Fall 2016
October 12, 2016
Last Name: First Name: _\<:EY_
130pm
Zuniga-Hansen
Sec. 7
10:30am 12:30pm
Stadler Blackmon Launey Zuniga-Hansen
Sec. 2 Sec. 3
Be sure to write your name and circle your section.
Answer all 3 problems (2
PHYSICS-2112 Fall 2015 Exam 4 November 17, 2015
Last Name (print) A N 5 WE K K6 Z First Name (print)
Signature LSUID No.
TURN OFF AND PUT AWAY ANY Circle one.
AND ALL NONAPPROVED
ELECTRONIC DEVICES N. Zuniga-Hansen (Sec. 1; MWF 9:30 am)
Have your LSU ID
Response of the RL Circuit
SI Worksheet 11
SI Leader: Rebecca Runnels (rrunne2@lsu.edu)
November 3, 2016
1. After having been in position 1 for a long time, the switch in the circuit below was moved to position 2 at
t = 0. Given that V0 = 12 V,
R1 = 30 ,
Chapter 27: Circuits
electromotive force (emf): an emf device does work on charges in
order to maintain a potential difference across its terminals.
Examples: batteries, power supplies, generators .
Work, Energy, and Emf
resistor
Emf
(battery)
During a ti
Chapter 25: Capacitance
Capacitors store energy
Different process than batteries:
Batteries = electrochemical
Capacitors = electrostatic
Capacitors can deliver energy much quicker, e.g., flashbulbs
As youll see, they also have a function in circuits
Chap
Chapter 24: Electric Potential
Coulombs Law
!
F12
!
E
q2
q1
Electric Field
r
!
F12 =
1 q1q 2
r
2
4 0 r
Electric Potential Energy
q1q 2
U=k
r
mM
U g = G r
!
q
E = k 2 r
r
(Force per unit charge)
Electric Potential
U
V=
q
(Energy per unit charge)
Electri
Chapter 26: Current and Resistance
Consider a copper loop:
Are there free charges that
are allowed to move? Yes!
Copper (a conductor)
Are they moving? Yes! (at 106 m/s)
Over time, does a net amount of
charge pass through the plane?
No they just move in ra
Chapter 9. Center of Mass, Impulse, Momentum, and Collisions
In analyzing the collisions of two objects, the mass of each object before the
collision is located at different points in space.
We define an average location in space for the total mass of the
1
EE 2740 Test 2
March 11, 2015 Closed Book, Open Notes
For all problems: State any assumptions made.
1. (12 pts) (a) Convert the decimal number 186 to unsigned binary.
(b) Convert the unsigned binary number 11010 to decimal.
2. (18 pts) Convert the follo
1
EE 2740 Test 3
April 15, 2015 Closed Book and Open Notes
For all problems: State any assumptions made.
1. (15 pts) Plot the Q output of a gated D latch given the inputs below. Assume that Q is
initially 0.
2. (15 pts) For the circuit below starting in s
EE 2740 Test 1 solutions
1
EE 2740 Test 1 solutions
Spring 2016
1. (22 pts) Use algebraic manipulation to simplify the following expressions to
minimum-cost Boolean expressions.
(a) +
(b) + +
(a) + = +
= +
(b) + + = + + +
= +
=
2. (8 pts) Complete t
EE 2740 Test 2 solutions
1
EE 2740 Test 2 solutions
Spring 2015
1. (12 pts) (a) Convert the decimal number 186 to unsigned binary.
(b) Convert the unsigned binary number 11010 to decimal.
(a) (186)10 = (1011 1010)2
(b) (11010)2 = (26)10
2. (18 pts) Conver
PHYS2002: Lecture 20
Announcements:
Homework due Wednesday
Next Exam: Oct. 19
Chapters 21, 22, 24
More practice exams have been posted to Moodle
Im slowly making handwritten solutions
But you should work them by yourself!
Teach your friends how to
PHYS2002: Lecture 23
Announcements:
Homework due Thursday
Exam: Wed Oct. 19
Chapters 21, 22, 24
PLEASE SIGN UP ASAP!
Some practice exams have been posted to Moodle
Im slowly making handwritten solutions
But you should work them by yourself!
Keep in
PHYS2002: Lecture 21
Announcements:
Homework due Today
Next Exam: Oct. 19
Chapters 21, 22, 24
More practice exams have been posted to Moodle
Im slowly making handwritten solutions
But you should work them by yourself!
Teach your friends how to sol
PHYS2002: Lecture 24
Announcements:
Next Exam: Nov. 16
Homework due Thursday
Exam: Today
Chapters 25, 26, 27
Chapters 21, 22, 24
Some practice exams have been posted to Moodle
Im slowly making handwritten solutions
But you should work them by yourse
PHYS2002: Lecture 27
! Announcements:
Homework due Wednesday
Exam: Nov. 16
! Chapters 25 (mirrors), 26 (lenses), 27 (Interference & wave nature of light)
! Ive already posted some practice final exams on Moodle
To study for exam 3, you can look through t
PHYS2002: Lecture 29
Announcements:
Homework due Wednesday
Next Exam: Nov. 16
Chapters 25, 26, 27
What resources are available?
SI sessions
Tutoring center Nicholson hall
Genesis tutoring center
Student union Room 302G: M,T,W,Th 5PM-9PM
My office h
Question #1 (no points) Bubble in the answer choice corresponding to your class section number.
a) Sec. 1; MWF 8:30 am
b) Sec. 2; MWF 11:30 am
c) Sec. 3; MWF 1:30 pm
d) Sec. 4; TTh 10:30 am
Question #2 (no points)
Your version of the test is A. Bubble in
Question #1 (no points)
Bubble in the answer choice corresponding to your class section number.
(a) Sec. 1; MWF 9:30 am
(b) Sec. 2; MWF 11:30 am
(c) Sec. 3; MWF 1:30 pm
(d) Sec. 4; TTh 10:30 am
(e) Sec. 5; TTh 1:30 pm
Question #2 (no points)
Your version
CHAPTER 30
Magnetic Flux
Themagneticflux
throughanareaAinamagneticfield
isdefinedas
wheretheintegralistakenoverthearea.TheSIunitofmagneticfluxistheweber,where
If
.
isperpendiculartotheareaanduniformoverit,Eq.301becomes
Faraday's Law of Induction
Ifthemagn
Physics 2113 Test 3
CHAPTER 26
Current
Anelectriccurrentiinaconductorisdefinedby
(26
1)
Here istheamountof(positive)chargethatpassesintime throughahypotheticalsurfacethatcutsacross
theconductor.Byconvention,thedirectionofelectriccurrentistakenasthedirecti
Prepared by Matthew Waguespack
Chapter 6 Mid-chapter Review
Properties of Dry Gases
Terms:
Standard Conditions These are specified _ and _ used
to report Volume
Gas Formation Volume Factor - the volume of gas at _ required to produce
one standard cubic fo
The Scientific Method:
-Ask a question
-Think about the question and make an educated guess at the answer(make a hypothesis)
-Determine ways to test your hypothesis
-Perform experiments to test your hypothesis
-Make the simplest statement that accurately
Chapter 6: Momentum
I.
II.
III.
Momentum
a. There is inertia involved with objects in motion (once an object is in motion, it tends
to stay in motion: Newtons 1st Law).
b. This inertia related to the objects velocity
i. Momentum= mv
ii. Units kg(m/s)
c. A