Jarrade V. Davis
Professor Melissa Quintela
Sociology 031
03 October 2015
Modern Romance Analysis
What was Ansaris main argument? How does the sociological imagination assist in
understanding this argument? Ansaris main argument was that dating is much ha
Lecture 12:
Reading Quiz:
Q: The two masses are at rest. The pulleys are frictionless. The scale is in kg. The
scales reads 5kg.
A: B, 5kg. There are weights on both sides of the object and they both read 5kg. The
object is set on a scale that reads 5kg.
2LC Summer 2017
Section:
Quiz 5
1.) Double Slit Diffraction
a) Draw, TO SCALE, the light waves traveling along the 2 solid lines, such that you get a diffraction
MAXIMA at the current direction.
b) Explain the difference between the 2 paths.
MONOCHROMATIC
2LC SUMMER 2017
Quiz
Vernier Calipers
1.) Give me the most ideal AND least ideal location to perform the previous lab
Answer: Sound insulated room, At a train station
2.) What process(es) give rise to diffraction?
Answer: Constructive and Destructive Inte
PHYS 2LC Summer 2017
Quiz 2
Section #:
1.) Theoretically, If the period of a harmonic oscillator suddenly became 1/9 of what it was
originally, what can you tell me about the hanging mass?
Answer: The hanging mass increased. The exact ratio of the new and
Physics 2LC
RADIOACTIVITY
(Includes Pre Laboratory Assignment)
I.
PURPOSE
In this laboratory, you will study radioactivity and the random nature of radioactive decay.
II. APPARATUS
1.
2.
3.
4.
Cs-137/Ba-37 Radioactive source
Plastic-backed Absorbent Paper
PHYS 2LC SPRING 2017
Quiz 3
Section #:
1.) The piece of string is pinned on both end, and has a length of 2 meters with tension and mass
density such that the velocity of a wave in it will be 100m/s. If we manage to generate a standing
wave on it, what wo
Physics 2LC Laboratory
Summer Session B 2017
Experiment and Final Exam Schedule
Mon, Jul 31
NO LAB TODAY
Lab 1: Wed Aug 2
Hookes Law & Harmonic Oscillation
Lab 2: Mon, Aug 7
Wave Properties on a String
Lab 3: Wed, Aug 9
Sound Waves
Lab 4: Mon, Aug 14
Phys
PHYS 2LC Summer 2017
Quiz 1
Section #:
1.) Describe Hookes law.
F=kx
Answer:
Hookes law gives the relationships between the displacements of an object under a restoring
force and the force allied to an object. The force applied is linearly proportional to
Physics 2B-001- Final Exam A
Fall 2014
Please make sure that the following information is clearly written
on the front of your Blue Book.
Your Name, Student ID No. & Signature
Exam is closed book and notes.
Please write all solutions in pen.
_
Physical
Chapter 16 Superposition
and Standing Waves
Waves
Vibrations cause waves
Vibrations have frequency (f) and amplitude (A)
Waves usually propagate in a medium
Energy is transferred from one point to another without transferring mass
- only the disturban
Chapter 15
Traveling Waves and Sound
Vibration - wiggle in time
Wave - wiggle in space and time
Waves
Waves are a method of transferring energy
from one point to another without
transferring mass; only a disturbance is
transferred.
After a wave passes,
Chapter 17 Wave Optics
Models of Light
Wave model (this chapter)
Ray model (chapter 18)
Photon model (chapter 28)
Electromagnetic Wave
Transverse wave with speed = c = 3 x 108 m/s
Changing magnetic field generates an electric
field
Changing electric fi
Chapter 14 - Oscillations
Vibration - wiggle in time
Wave - wiggle in space and time (Chapter 15)
Sound
Light
Waves at the beach
Tides
Orbits of the planets
Pendulum
AC circuits
Mass on a spring
Noise = Aperiodic Vibration
Oscillation = Periodic Vibration
Chapter 18 Ray Optics
The Ray Model of Light
Light travels in a straight line
Light rays can cross
Light rays travel forever until
they interact with matter
Objects are sources of light
rays
The eye sees by focusing a
bundle of rays
The Ray Model of
Chapter 19
Optical Instruments
Pinhole Camera
Convex lens
converging
Fresnel lens
Camera
Focusing in a simple camera
Changing the distance
between the lens and the
film (or CCD array)
changes the angular
acceptance of the lens.
This can also be cha
Equations
Waves
Power in a plane wave:
v = f
Physics 2C
k=
Midterm
Period, frequency, angular frequency
1
2
T=
=
= 2 f
f
T
2
Power in a spherical wave:
Force of gravity: F = mg
Standing Waves
x(t) = A cos ( t + 0 )
dx
v(t) =
= - A sin ( t + 0 )
dt
Nodes
Models of Light
Chapter 17 Wave Optics
Electromagnetic Wave
Wave model (this chapter)
Ray model (chapter 18)
Photon model (chapter 28)
Changing magnetic field generates an electric
field
Changing electric field generates a magnetic field
These fields r
Physics 2B Summer 2017 - Final Exam
Physical constants and formulae
Electric field and force
Fundamental charge unit: e = 1.60 x 10-19 C
Proton mass: 1.67 x 10-27 kg
Avogadros number:
NA = 6.02 x 1023 mol-1
Gas constant: R = 8.31 J/mol K
Electrostatic con
Physics 2A Final Examination
Name _
Signature _
Student ID Number_
By signing this exam, you affirm that you are the person named on this exam with this
student ID. You also agree to abide with the Academic Integrity Policy, as outlined in the
course intr
Olms law
LAB#
8
REPORT: OHMS LAW
I.
PURPOSE/QUESTION
The purpose of this lab is to investigate what happens to the current in a circuit when the
voltage is varied, and when the resistance is varied.
II.
THEORETICAL
In this lab, there are several concepts
Lab #06: Conservation of Momentum
I.
Purpose/Question
The purpose of this lab is to compare the total momentum before a collision to the total
momentum after the collisions. Is the momentum conserved?
II.
Theoretical
Momentum refers to the quantity of mot
LAB#05 Friction and Heat
I. PURPOSE/QUESTION
What is the relationship between friction, heat, and temperature?
II. THEORETICAL
Friction is the resistance that one surface or object encounters when moving over another.
Friction is a force like any other fo
Lab #04: Investigation Relationships in Newtons Second Law
I.
Purpose/Question
What happens to the acceleration of an object when we keep the force constant and change the
mass? What happens to the acceleration of an object when we keep the mass constant
Lab 2: Toy Car Story 2
I.
PURPOSE/QUESTION
Compare the motion of two toy cars by measuring distance traveled at equal time intervals.
Graph distance vs. time and average speed vs. time for each car.
II.
THEORETICAL
Average speed is rate of total distance
Lab #3 Newtons II Law: Static Equilibrium
I.
Purpose/ Question
What is the net force on an object in static equilibrium?
II.
Theoretical
Newtons second law of motion says that the behavior of objects for which all existing forces are
not balanced. The acc