PHYSICS 204
Lecture:
Summer 2018

John Jay College of Criminal Justice,The City University of New York
Prof. Max Bean

LAST UPDATED July 20, 2018

Procedures & Policies

 DATE

 #

 LECTURE

Pre- READING

 ASSIGNMENT

 FINDING

MONDAY,

JULY 16

2018

1

1. Physics 1 & Physics 2:

Particles
&
Information
:

* * *

2. Physics 1 --> Physics 2:

Oscillation

(simple harmonic, chapter 15)

&
Interaction
(at-a-distance, chapter 13)

(1) prereq = Physics 203
or some roughly equivalent
calculus-based study in Classical Mechanics. Refresh yourself with this fundamental material. Make sure you are particularly ready to go with :

The Conservation of Energy &
Conservative Forces, esp.:

Universal Gravitation (Newton)
&
 Elasticity (Hooke)

* * *
(2) text = Halliday,
Resnick & Walker,

Fundamentals of Physics

(henceforth, HRW).

(1) Welcome (Back).
Completed in Class,
Introduction to non-Particles:

UnThingy Things

* * *

(2) Begun in class
and completed at home as
Introduction to Harmonic Oscillation,

HW 1:
A Thing On A Spring

MONDAY,

JULY 16

2018

 

1


First Strand:
Simple Harmonic Oscillation
Position,
Time,
& their Derivatives

SHO as a Differential Equation.
Identification,
Solution,
Implication

No HW due first class.

TUESDAY,

JULY 17

2018

2

Action-at-a-distance:

Universal Gravitation


In HRW, Read:
Chapter 15, sections 1 & 2
Chapter 13, sections 1-3

Complete and hand in:

HW1:

  A Thing On A Spring

PLEASE NOTE:
HW 2 due-date postponed
to Wednesday (July 18)

 

TUESDAY,

JULY 17

2018

2

Newton's Shell Theorem

GO BACK

and REALLY READ the sections
you find we are emphasizing in class.

REALLY READ means (among other things):

Pick at least two Sample Problems from the text and learn to solve them without looking.

WEDNESDAY,

JULY 18

3

 

Continuous Sums:

Superposition & Symmetry,
Shells & Solids

 

HRW:
Chapter 13,
Section 4

HRW:
Chapter 15,
Sections 3 & 4

For the curious & the brave:
a lightning-speed glimpse at the derivation for
Newton's Shell Theorem

HW2:

HRW,  Chapter 15,
Problems (not 'Questions') #9*, 29, 31

*PLUS this variation on Problem 9:
Assume the mass of this oscillator is 30 kg.  If an ideal spring is causing the simple harmonic oscillation, find the spring constant (K).


HW3:

A Sphere Not Near

WEDNESDAY,

JULY 18

3

 

Please bring the instructions for Monday's homeworks (printed or downloarded)
to class with you Wednesday.

MONDAY,

JULY 23

4

Gravitational Oscillator:

(The answer is 42.)

A little primer on
The Phase Constant &
the Whole "Angular" Thing

HW4:

HRW Chapter 13,

Problems (not 'Questions')
#3, 19, 24, 31


HW5:

Mathematical Methods

(That we need to know. Without drama.)

MONDAY,
JULY 23

4

The Phase Constant,

The Constantly Increasing Phase,

The Propagation.

HW6:

Unspringy Springs

HINTS for Unspringy Springs

TUESDAY,

JULY 24

5

DERIVING
The Wave Equation

Version 1:
A Row of SHOs

HRW:
Chapter 16 (Waves-I),
Sections 1-4


* * *

Supplemental Video
(a super-fast glimpse
at past class data) :

1. Wu Lab
2. WaltersJ Lab

HW7:

SHOs & Graphs


TUESDAY,

JULY 24

5


DERIVING
The Wave Equation

Version 2:
Induction From Lab Data
(The motion at points in space,
The shape at points in time.)

WEDNESDAY,

JULY 25

6


DERIVING
The Wave Equation

Version 3:
Tension, Mass, and Slope
on an Pulsating String.

INDUCING
the Wave Equation from data

(Proof 2 from Tuesday's lecture.)

Some Midterm Practice Problems


HW8:

Multiple Oscillations
&
Wave Pulses

e pluribus unum

WEDNESDAY,

JULY 25

6

First possible date for:

MIDTERM #1:

OSCILLATIONS & INTERACTIONS


Midterm Practice Materials:

(The three links below are all for extra practice. They will not be collected)

Some more SHO Practice Problems

Another weird little video,
not for the faint of heart:
Interference of WavePulses

MONDAY,

JULY 30

7

Second possible date for:

MIDTERM #1:

OSCILLATIONS & INTERACTIONS

HRW:
Chapter 16 (Waves-I),
Sections 5 & 7

(Yes, you may skip ection 16-6. We will not discuss phasors in this course.)

HRW:
Chapter 17 (Waves-II),
Sections 1, 7 & 8

HW9:

Nodes, Harmonics, & Echoes

 

MONDAY,

JULY 30

7

Speed of propagation,

relative to the medium:

the Doppler Effect

* * *

Interference
&
Standing Waves

A collection
of assorted

SUPPLEMENTAL
SOLUTIONS

to problems
found on past MT1's;
some familiar, some not.

 


TUESDAY,

JULY 31

8

the e,

the e-Charge,

& the e-Force

HRW:
Chapter 21

HRW:
Chapter 22

NOTE: That is a LOT of reading!



HW10:

The E-Field from a point.

Problems
HRW Chapter 22,
#3, 9, 19, 23;
&
Chapter 23, Problem #3

TUESDAY,

JULY 31

8


Gravitational
action-at-a-distance;

a letter to Sir Bentley;

the electrostatic
field

 

WEDNESDAY,

AUGUST 1

9

superposition,

symmetry

&

space

HRW:
Chapters 23

Field Line Diagrams
(The above document needs to be updated.)



HW11:

E-Fields

WEDNESDAY,

AUGUST 1

9

continuous charge
distributions

&

electrostatic
FLUX

Regions,
Boundaries;

Open,
Closed.

HW 12:

Gauss's Law Supported

MONDAY,

AUGUST 6

10

MIDTERM #2:

INTERFERENCE & ELECTROSTATICS

 

MONDAY,

AUGUST 6

10


Electrostatic Potential,
Capacitance
& Current

Gauss's Law:
MOTIVATED

Gauss's LAw:
APPLIED


HRW:
Chapters 28, 32

Another lightning-speed mathomusic video:
unpacking Gauss's Law


Magnitude of the magnetic field:

1. Oersted's finding,

2. The Biot-Savart law

direction of the magnetic field:

1. cross products, r - hat
&

2. the nobefluxrule

TUESDAY,

AUGUST 7

11

Closed 2-D Regions:

Ampere's Law

Open 2-D Regions:

Ampere's Law & Faraday's Finding

HW #13.

Steady Circuits:
Ohm's Law


(formerly known as 'MeasuringAlongThePathFromPole2Pole')

Closed 1-D Regions:

Faraday's Law

 

WEDNESDAY,

AUGUST 8

12

...some time.

. . . for . . .

. . . space. . .


 

MONDAY,

AUGUST 13

13

A capacitor in a condom,
a right side corrected,
a field out of space. . .

Maxwell's Displacement Current
&
Einstein's 2nd Postulate

Final Review
&
Practice Pack:

'Approximately All the E&M, SU18'

RADIATION
&

GPR 1905

the innards:s

decoupling the fields

distinguishing the derivatives

 

TUESDAY,

AUGUST 14

F
I
N
A
L

Practice Exam #1:

Blank Copy
(No solutions) of


P204 FINAL
EXAM, F17

Practice Exam #2:

Blank Copy
(No solutions) of


P204 FINAL EXAM, SU14


Practice Exam #3:


ALL 52 PAGES of

p204 FINAL
EXAM, SU15


FULLY SOLVED!

 

           
           
           
                                                                                                                                                                                                                                   

 

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