LENZ'S LAW EXAMPLE: (from Prob. 21, page 794) A conducting loop of mass M, resistance R, width r w, and length l is dropped into a field B pointing out of the page. It reaches a terminal velocity before the top edge enters the magnetic field. Calculate th
Experiment 2
The Simple Pendulum
Name:_
Student Number:_
Partner:_
Date:_
Part 1: Objective
To determine how the period of a simple pendulum depends on both the mass and length.
Part 2: Introduction
Relevant theory in this experiment includes:
-The simple
Experiment 1
Introduction to Simple Harmonic Motion
Name:_
Student Number:_
Partner:_
Date:_
Part 1: Objective
To determine the spring constant of the spring and the mass of the attached aluminum cylinder.
Part 2: Introduction
Relevant theory in this expe
Experiment 4
The Magnetic Field of a Solenoid
Name:_
Student Number:_
Partner:_
Date:_
Part 1: Objective
To investigate the magnetic field of a solenoid to determine if a current carrying slinky id an ideal
solenoid and to find the dependence of the magni
Experiment 5
The DC Motor
Name:_
Student Number:_
Partner:_
Date:_
Part 1: Objective
To investigate and determine the direction of the magnetic moment vector for a current carrying
loop as well as the direction of torque on a current carrying loop in a ma
Diffraction
Name: Craig Martin
Student Number: 201106606
Partner: Marcus Tulk
Date: 4/04/2012
PART I: Objective
The objective of this experiment is to determine the wavelength of light from a laser pointer.
PART II: Introduction
When light waves reach an
Circle instructor: Morrow or Demirov 1 Name: [/T/ 0M5
Lab period: Student Number:
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
DEPARTMENT OF PHYSICS AND PHYSICAL OCEANOGRAPHY
Physics 1051 Winter 2012
Term Test 2 March 9, 2012
INSTRUCTIONS:
1. Do all question
Physics 1051 - Spring 2012. Final Exam.
NAME
STUDENT NUMBER
10th August ,2012
Time: 2 Hours
Instructor: Dr. Ania Harlick
INSTRUCTIONS
1. There are ten questions, each worth 12.5 points in total. Answer EIGHT (8) out
of the ten, show all your workings.
2.
PH3111 Problems - Hamiltonian
1. Prob. 10.28
2. Prob. 10.29
3. Consider two (continuous) functions of generalized coordinates qk and corresponding
momenta, pk, for example g(qk,pk) and h(qk,pk). The Poisson Bracket is defined by
Show that:
(a)
(b)
(c)
whe
Physics 1051 - Spring 2013. Test #3.
NAME
STUDENT NUMBER
18th July 2013
Time: 50 min
Instructor: Dr. Ania Harlick
INSTRUCTIONS
1. There are four questions, each worth 12.5 points in total. Answer all the questions,
show all your workings.
2. The amount of
Physics 1051 - Spring/Summer 2013. Test #1.
NAME
STUDENT NUMBER
May 30th , 2013
Time: 50 min
Instructor: Dr. Ania Harlick
INSTRUCTIONS
1. There are four questions, each consisting of short theory part and a problem solving
part. Answer all the questions,
Experiment 3
Sound Waves and Resonance
Name:_
Student Number:_
Partner:_
Date:_
Part 1: Objective
To determine the speed of sound and investigate the relationship of v=f.
Part 2: Introduction
Relevant theory in this experiment includes:
impacts
-Sound wav
ELECTROMAGNETIC WAVES (Chapter 24 in text) James Maxwell (1831-1879) r r found behaviour of E and B described by 4 equations
equations combine to give wave equation speed of wave c = 1 = 2.99 108 m/s = speed of light)
0 0
Maxwell's discovery showed tha
HOW DO MAXWELL'S EQUATIONS GIVE RISE TO ELECTROMAGNETIC WAVES? (SKETCH ONLY)
y
Faraday's Law: r r dB E ds = - dt around
loop 1
E
1
gives
E B =- x t
(Eq.1)
z x
Ampere's Law: r r d E B ds = 0 0 d t gives around
loop 2
B E = - 0 0 x t
2
(Eq. 2)
B
Take deriva
REFRACTION The speed of light varies between different transparent materials Result: Light crossing a boundary between materials with different speeds of light at an angle to the normal is BENT SNELL'S LAW:
normal incident ray reflected ray material 1 mat
INTERFERENCE OF em WAVES in 2D (ch. 27 in text) Visible light: 400 nm 700 nm
To see interference need: o Closely spaced sources with constant phase relation coherent Independent sources (i.e. lightbulbs) are incoherent no interference
YOUNG'S DOUBLE-SLIT
INTERFERENCE DUE TO THIN FILMS (27.4 in text) c n= : Index of refraction v
important property of transparent material o c is the speed of light in vacuum (or air) o v is the speed of light in the transparent material o n > 1 for most transparent materials
EXAMPLE: problem 6 from page 757
A proton (charge = +)e 1.6 x 1049 C) oves with velocity
m/S in a region where the magnetic field is
= (5+ 2133/; T. What is the magnitude of the magnetic force on this particle?
if? A A A) A A 3/?)
wanw WW ,i M
Physics 1051, Final Exam, Fall 2007
Name:_ Student Number: _ Instructions: 1) The test consists of ten multiple-choice questions (2 points each) and five problems (10 points each). You are required to complete all fifteen questions/problems. 2) Write answ
Circle instructor: Poduska or Morrow 1
Lab period:
Final Exam
Na e:
Student umber:
MEMORIAL UNIVERSITY OF NEWFOUNDLAND
DEPARTMENT OF PHYSICS AND PHYSICAL OCEANOGRAPHY
Physics 1051 Winter 2007
April 2007
INSTRUCTIONS:
1.
10
Do all TEN (10) part
Physics 107 HOMEWORK ASSIGNMENT #1
Cutnell & Johnson , 7th edition
Chapter 2: Conceptual Question 12
Chapter 2: Problems 16, 28, 30, 32
12 A ball is dropped from rest from the top of a building and strikes the ground with a speed
vf. From ground level, a
Solution Derivations for Capa #12
1) A hoop of radius 0.200 m and mass 0.460 kg , is suspended by a point on its perimeter
as shown in the gure. If the hoop is allowed to oscillate side to side as a pendulum, what
is the period of small oscillations?
R =
Areos Practice Exam- Physics 6B
Good Luck- go through all of your notes and try to answer these problems. If I was you, I would write my
formula sheet before doing this exam so that when the times comes you will know where all of your
equations are. I tri
[6] 1. A wave is described by the function y(x,t) = 0.017 m sin
) t].
[(8.4 m ) x (75 s
-1
-1
(a) At what speed does this wave travel?
(b) What is the wavelength?
[6] 2. What is the magnitude of the electric field 10.0 cm away from a very long line of
cha
Physics 1051 - Fall 2011. Test #2.
NAME
STUDENT NUMBER
November 2,2011
Time: 50 min
Instructor: Dr. Ania Harlick
INSTRUCTIONS
1. There are four questions, each consisting of short theory part and a problem solving
part. Answer all the questions.
2. The am
Physics 1051 - Fall 2011. Test #1.
NAME
STUDENT NUMBER
October 14,2011
Time: 50 min
Instructor: Dr. Ania Harlick
INSTRUCTIONS
1. There are four questions, each consisting of short theory part and a problem solving
part. Answer all the questions
2. The amo
Physics 1051 - Fall 2012. Test #2.
NAME
STUDENT NUMBER
09th November 2012
Time: 50 min
Instructor: Dr. Ania Harlick
INSTRUCTIONS
1. There are four questions, each worth 12.5 points in total. Answer all the questions,
show all your workings.
2. The amount
MAGNETIC FORCE & MAGNETIC FIELD (Chapter 22)
Read historical background in 22.1
Magnetism known of for over 2000 years.
Magnets known to have two poles
o North points to Earths North Pole (which is a south magnetic pole!)
o South points to Earths South
ELECTRIC POTENTIAL AROUND A POINT CHARGE
The work done by an external force (i.e. you?) to move charge q from A B :
Equals change in potential energy of the charge
B
U qVB V A q E ds
A
Sign OK? Yes.
o Says if it takes positive work to move charge, pote
MAGNETIC FORCE ON A CURRENT-CARRYING CONDUCTOR (22.5)
Important: basis of electric motors, microphones, speakers, transducers, etc.
For wire carrying current I upward
q
v
o
d is upwards for each charge
o Force on EACH CHARGE points left
(perpendicular to
GAUSSS LAW FOR SYMMETRIC CHARGE DISTRIBUTIONS (19.10)
Recall Gausss Law:
qinside
e E dA
0
over
closed
surface
dA is a vector normal to surface with magnitude equal to the area of the surface
element
How do we use Gausss Law? Two Ways:
qinside
e
0
o re
ELECTRIC FIELDS DUE TO CONTINUOUS CHARGE DISTRIBUTIONS
Approach:
Break charge distribution into small elements (treat each as a point charge)
Write vector sum of contributions from elements
Take limit as elements become infinitesimally small INTEGRAL
S