1
Charging by induction, vector character of Coulombs law
Changing by induction
A charged object is needed, but no contact is made
Only conductors can charge this way
To have the charge stay on th
Nick Novy
PHY2053C
Just In Time Question 1
When Defiance Drake initiates her jet boots her initial velocity, V 0 , relative to the
cargo freighter increases from zero as she accelerates towards it. Si
c Calculate the vertical position yl of the hoop.
4 Chapter Four: Dynamics; Newtons Laws of motion
12- (10 pts)
a. - State Newtons rst law of motion?
b State Newtons third law of motion:
13 (15 pts)
T
Kaitlyn Tabb
Just in Time Question 2
For this problem, the potential difference can be found by the equation U = -qV. The U will be
entered as -6.28J since the charge has to lose electric potential en
Kaitlyn Tabb
Just in Time Question 3
1. To find the capacitance needed in order for the current to fall to 36.8% of its original value in 0.1
second this equation should be used: i = lmaxe-t/RC. Since
Arithmetic
Expressions, I/O
PROGRAMMING FOUNDATIONS I
SUMMER 2017
1
Arithmetic Expressions
An expression is a series of values and
mathematical operators
Every expression has a value
Values are usu
2D Arrays
PROGRAMMING FOUNDATIONS I
SUMMER 2017
1
Why use a 2D array?
There are many problems in which a 1-dimensional array might not be sufficient.
Plotting points on a 2D grid
Any calculation in
Arrays
PROGRAMMING FOUNDATIONS I
SUMMER 2017
1
Programming without arrays
Without arrays, if you want to write a program to
hold a series of values, you have to create a new
variable for each value.
Arithmetic
Expressions, I/O
PROGRAMMING FOUNDATIONS I
SUMMER 2017
1
Arithmetic Expressions
An expression is a series of values and
mathematical operators
Every expression has a value
Values are usu
Solution for Open-Response Homework 5 Gauss Law
Solution to Open-Response Homework Problem 5.1(Spherical Volume Charge with
Shell)
Problem: A uniform volume charge occupies the region r < a
and has vo
Solution for Open-Response Homework 12 Kirchhoffs Laws
Solution to Open-Response Homework Problem 12.1(Another Weird Kirchhoff Problem)
Problem: Consider the circuit below. All batteries have potentia
Solution for Open-Response Homework 3 Electric Field
Solution to Open-Response Homework Problem 3.1(Representing the Electric Field of
a Wire with Arrows)
Problem: The electric field of a wire with po
Manual lab
Trial number
1
2
Angle of
Incidence
(degrees)
30
40
Angle of
Refraction
(degrees)
22.1
28.9
Sine of the angle Sine of the angle Index of
of incidence
of refraction
Refraction
.500
.745
-.10
1. A whistle you use to call your hunting dog has a frequency of 21 kHz, but your dog is ignoring it.
You suspect the whistle may not be working, but you can't hear sounds above 20 kHz. To test it,
yo
LAB 03 Alternating Current LR Circuits
Vincent Mulvaney
11/2/16
PHY2049L Wednesday at 2:30 pm
Lab Station E
Partner: Daniel Belc
Abstract
We used box C and found the inductance to be 0.07967 H with an
LAB 10 Lenses
Vincent Mulvaney
11/16/16
PHY2049L Wednesday at 2:30 pm
Lab Station E
Partner: Daniel Belc
Abstract
Our lens set was J. The focal estimation was 10.1cm and the measured was (9.60.2). The
LAB 06 Oscilloscope Measurements
Vincent Mulvaney
10/19/16
PHY2049L Wednesday at 2:30 pm
Lab Station E
Partner: Daniel Belc
Abstract
The ratio of max voltage to rms voltage for the sine wave was slope
LAB 04 Kirchhoffs Rules
Vincent Mulvaney
9/28/16
PHY2049L Wednesday at 2:30 pm
Lab Station E
Partner: Daniel Belc
Abstract
Do Kirchhoffs Rules correctly predict the behavior of these circuits? Yes,
Ki
LAB 08 Alternating Current RC and LCR
Circuits
Vincent Mulvaney
11/9/16
PHY2049L Wednesday at 2:30 pm
Lab Station E
Partner: Daniel Belc
Abstract
The thin box we used was C. The experimental value of
Lab 02-Ohms Law Data and Calculation Sheet
Vincent Mulvaney
September 14, 2016
PHY2049L-166224 Wednesday @2:30
Lab Station E
Daniel Belc
Abstract
Our copper coils were all Ohmic due to have a least sq
LAB 08 Snells Law
Vincent Mulvaney
11/9/16
PHY2049L Wednesday at 2:30 pm
Lab Station E
Partner: Daniel Belc
Abstract
The best experimental value for the index of refraction of water was
1.320.04 and t
Jackson 3.3 Homework Problem Solution
Dr. Christopher S. Baird
University of Massachusetts Lowell
PROBLEM:
A thin, flat, conducting, circular disc of radius R is located in the x-y plane with its cent
Jackson 3.4 Homework Problem Solution
Dr. Christopher S. Baird, Fall 2012
University of Massachusetts Lowell
PROBLEM:
The surface of a hollow conducting sphere of inner radius a is divided into an eve
Jackson 3.2 Homework Problem Solution
Dr. Christopher S. Baird
University of Massachusetts Lowell
PROBLEM:
A spherical surface of radius R has charge uniformly distributed over its surface with a dens
Jackson 3.1 Homework Problem Solution
Dr. Christopher S. Baird
University of Massachusetts Lowell
PROBLEM:
Two concentric spheres have radii a, b (b > a) and each is divided into two hemispheres by th
Jackson 3.5 Homework Problem Solution
Dr. Christopher S. Baird
University of Massachusetts Lowell
PROBLEM:
A hollow sphere of inner radius a has the potential specified on its surface to be =V , . Pro
Jackson 4.7 Homework Problem Solution
Dr. Christopher S. Baird
University of Massachusetts Lowell
PROBLEM:
A localized distribution of charge has a charge density
(r)=
1 2 r 2
r e sin
64
(a) Make a
Jackson 4.4 Homework Problem Solution
Dr. Christopher S. Baird
University of Massachusetts Lowell
PROBLEM:
(a) Prove the following theorem: For an arbitrary charge distribution (x) the values of the (
Jackson 4.5 Homework Problem Solution
Dr. Christopher S. Baird
University of Massachusetts Lowell
PROBLEM:
A localized charge density ( x , y , z ) is placed in an external electrostatic field describ
Amanda English
10/1/2016
Just In Time Question 5
All objects with mass feel an attraction to each other due to gravity. So the work that is put in by
the student and the force of friction (or the work