PHYSICS 112 MIDTERM
PAGE 1 OF 9
UNIVERSITY OF WATERLOO
DEPARTMENT OF PHYSICS
PHYSICS 112 MIDTERM TEST WINTER 2009
Saturday, FEBRUARY 28, 2009; 3:00 5:00 P.M.
Aids Permitted:
Calculator
IMPORTANT INSTRUCTIONS READ CAREFULLY TO AVOID PENALTY
1.
Mark your an
PHYSICS 112 FINAL EXAMINATION
2.
PAGE 3 OF 13
Three charges are located on the corners of a square of side 1.5 m as shown below.
Consider a point P located a distance 3m to the right of charge q3. Ignore the effects of
gravity. The charges have the follow
PHYSICS 112 MIDTERM
PAGE 1 OF 11
UNIVERSITY OF WATERLOO
DEPARTMENT OF PHYSICS
PHYSICS 112 MIDTERM TEST WINTER 2004
THURSDAY, FEBRUARY 26, 2004; 7:00 9:00 P.M.
Aids Permitted:
Calculator
IMPORTANT INSTRUCTIONS READ CAREFULLY TO AVOID PENALTY
1.
Mark your a
PHYSICS 112 FINAL EXAMINATION
PAGE 10 OF 13
9.
A guitar string of length 80 cm is fixed at both ends. The string has a uniform volume
density of 9000 kg/m3 and has a diameter of 0.75 mm. The string is under a tension of 40 N.
(a)
Determine the wavelength
Assignment 1 for grading)
Problem 14.1
When a guitar string plays the note "A," the string vibrates at 440
Part A
.
What is the period of the vibration?
Express your answer using two significant figures.
Problem 11.36
A proud deep-sea fisherman hangs a 65
University of Waterloo
Final Examination
Winter TERM 2009
(Term)
Course Number:
Physics 112
Course Title:
Physics 2
Professors:
(Year)
S. Idziak and F. Mansour
Student First Name: _ Initials _
Student Last Name: _
Student ID #: _
Signature _
Date of Exam:
Problem 19.8
Part A
of electrons.
Find the total electric charge of 1.5
Express your answer using two significant figures.
ANSWER:
=
Part B
Find the total electric charge of 1.5
of protons.
Express your answer using two significant figures.
ANSWER:
=
8.
P
Problem 13.60
A simple pendulum of length 2.5m makes 5.0 complete swings in 16 s. What is the acceleration
of gravity at the location of the pendulum?
Picture the Problem: A mass is attached to the end of a 2.5-meter-long string, displaced slightly from t
MATH 128 Winter 2017
Quiz 2 Solutions
Topics: Techniques of Integration and some Applications of Integration
Monday January 30
1. Evaluate the following integral (5 points: 1 for the conjugate, 1 for z and dz, 1 for
work, 1 for resulting function, 1 for a
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Phys 112 Online Quiz week 6.
Question 1 (individual stage):
a. A charge of -16 nC is placed a distance L to the right of a charge of +6 nC. Where would a third
point charge have to be placed, other than at infinity for the net electrostatic force on it fr
Phys 112 Online Quiz1.
Individual stage
A particle executes SHM such at a given time it is at x= +1/4 the amplitude, moving away from
equilibrium, and 0.7 seconds later the particle has -1/6 the maximum speed moving away from
equilibrium. Find the period
Phys 112 online Quiz week 5
Individual stage
Question 1 (individual stage):
Two speakers driven in phase by the same amplifier at a frequency of 640 Hz, are 7 m apart. A listener
originally at the position of one of the speakers starts walking away from t
Phys 112 Online Quiz week 12.
Group Stage answer same: Hyun Ji Lee
A 900 MW power station transmits power at a potential difference of 60, 000 V
a) Find the current.
15000A
b) Write down the equation for the resistance in terms of the resistivity.
R=
l
A
MATH 128 Winter 2017
Work Sheet 3b (Quiz 3 topics)
Topics: Parametric/Vector Curves, Polar Coordinates, and Sequences & Series
1. (a) Show that the parametric equations
x = x1 + (x2 x1 )t
and
y = y1 + (y2 y1 )t;
(0 t 1)
describe the line segment that join
MATH 128 Winter 2017
Worksheet 4: Convergence tests and power series
1. Determine whether the following series are convergent or divergent. For the convergent
series, determine the sum.
(a)
(b)
X
n=0
X
n=0
n
cos (n) 3
3n+2 + 2 5n+1
42n
X
n 22n
5 e
(c)
MATH 128 Winter 2017
Quiz 3
Topics: Parametric Curves, Polar Coordinates, Sequences, Series
Monday March 6
1. Find the equation of the line that is tangent to the curve described by x = 1 + 4t t2
and y = 2 t3 at the point t = 1. (5 points each: 2 for hand
MATH 128 Winter 2017
Quiz 4
Topics: Convergence Tests, Power Series
Monday March 27, 2017
1. For each of the following series, determine whether it is absolutely convergent, condi[4]
tionally convergent, or divergent.
(a)
X
2n en
2
n=0
Solution (1 for set