Williams, Anika
9/30/17
PHYS121
Bowling Ball Motion Lab
Data Table #1: Time vs. Position of Bowling Ball
Time (in claps)
1
2
3
4
5
Position (in steps)
6.0 0.3
12.4 0.2
18.4 0.5
23.2 0.5
28.9 0.6
Graph
Anika Williams
PHYS 121
10/22/17
Newtons Second Law Lab
Introduction
Our experiment was on the topic of Newtons second law of motion. The objective was to verify it
theoretically and experimentally.
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39% 0M
Math 208 Winter 15 Final Exam Name
Each problem is worth 10 points. I willonly count your ten best problems. Calculators are okay except
on problem #9. May the Force be With You Alli
1. The set
PHIL 101
Yijun Zuo
Professor: Zoe Aleshire
2017-9-30
After reading Plato's the Allegory of the Cave, Plato suggests that we are all in
the cave at some point in our lives and the purpose of education
Syllabus
Class info
Here is some general information about this class:
Physics 121 Sections A and C
Instructor: Dr. Timothy Winchester (a.k.a. "Tim")
email: [email protected]
Office:
Chapter 30
Capacitance
Capacitors
A capacitor is a device which stores electric charge
(and energy). Capacitors vary in shape and size, but
the basic configuration is two conductors carrying
equal bu
Chapter 34
Faraday Law of Induction
Electromagnetic induction
Lenz law
Faradays law
Electromagnetic Induction
In 1831, Michael Faraday discovered that, by varying magnetic field with
time, an electric
Chapter 26
The Electric Field
The field model for point charge and continuous charge
Forces on charged objects in electric fields.
Field Model
If q is positive, the
electric field vector
points in the
Chapter 29
The Electric Properties of
Matter
The Electric Battery
Volta discovered that electricity could be created if dissimilar
metals were connected by a conductive solution called an
electrolyte.
Chapter 28
Electric Potential
Electric Force (F) and Electric Field (E): Vector
Electric Potential Energy (U) and Electric Potential (V): Scalar
Gravitational Potential Energy
F ds U
b
Wa b
a
For g
Chapter 31
DC Circuits
Drawing Circuit Diagrams
Kirchhoffs Laws
Analyzing a DC Circuit
Batterys ability to create a charge flow (a current) is called
electromotive force, emf, .
In a real battery, the
Chapter 32
The Magnetic Field
Moving electric charges will produce magnetic fields.
The Magnetic Field
Electron Magnetic Moments: Ferromagnetism
A nonmagnetic solid
(copper)
A ferromagnetic solid
(iro
Exam 1 Review
Chapters 14, 25, 26, and 27
Bring one page of formula/notes
50 55 minutes
4 or 5 pages
Show your work for partial credit
Remember to give magnitude and directions
for vector quanti
Applications of Electromagnetic Induction
Ground fault interrupter (GFI)
Electric guitar pickups
Magnetic card readers, Magnetoencephalography (brain),
magnetocardiograms (heart and surrounding ner
Exam 2 Review
Chapters 29, 30, and 31
Bring one page of formula/notes
50 - 55 minutes
4 - 6 pages
For partial credit: Show your work/ Explain
your strategy.
Chapter 29
Ohms Law: E
= J, V=R I .
Ch 27
Gauss Law
Using symmetry to find E
Charges and Flux
Electric field is proportional to DENSITY of ELECTRIC FLUX,
Flux is the amount of something that flows through a surface:
Net charge = 0
Flux
Chapter 14: Gravitation
Newtons Law of Gravitation
Shell Theorem
Gravitational Field
Gravitational Potential
Energy Keplers Law
Orbits and Energy
Newtons Law of Universal Gravitation
In 1665 Isa
Chapter 25
Electric Charge and Coulombs Law
Electric elektron = Greek word for amber
Electric charge
Electric force
Charge distributions
Electric Charge
Today, we understand that when glass is rubbed
Physics 122
Chapter 32- Practice
1- What is the net force (magnitude and direction) on an electron moving at 4 x 104 m/s at 30o
angle in a magnetic field of 2 T?
2- A very long straight wire of linear
Physics 122
Ch 25 Practice
1- A metal ball is suspended by a string. A positively charged plastic ruler is placed near the ball,
which is observed to be attracted to the ruler. What can we say for cer
Final Exam Review
All Chapters except 14 (no gravity questions).
Bring 2 - 3 page of formula/notes
110 minutes
7-8 pages of questions
Show your work for partial credit
Remember to give magnitude
Physics 122
Ch 30- practice
1) Find the equivalent capacitance between points a and b in the circuit given below.
2) All capacitors in these circuits have a capacitance C = 1 F. Find the capacitance C
Physics 122
Chapter 29- Practice
1- A 14.8-volt laptop computer battery is rated at 65.0 watt-hours.
a) What quantity is it measuring? Convert it to SI units.
b) The battery goes from fully charged to
Physics 122
Chapter 26- Practice
1- A ball of mass m = 0.75 grams is suspended from a thread of negligible mass. The ball carries
a charge q = +32 C, and is placed in a uniform electric field of magni
Physics 122
Ch 27- Practice
1- A cube of side 2 m has one corner at the origin as shown in the figure. Find the flux through
the top face if the electric field is: (note: unit for E is N/C or V/m)
2-
Kirchhoffs rules Example
Unbalanced Wheatstone Bridge
What is the current in each resistor?
What is the equivalent resistance of the 5 resistors?
Label ALL Currents
Use Kirchhoffs Junction Rule to sim
Using Kirchhoffs Laws
To analyze a circuit using the branch-current method involves three steps:
1. Label the current and the current direction in each branch. Sometimes it's hard to tell the
correct
Physics 122
Chapter 31- practice
1) In the circuit shown below, what is the potential difference across the 3 resistor?
2) In the circuit shown, a 2.5 F capacitor is connected to a 20V battery. The sw