PHYSICS 204

LAB: Summer, 2018

John Jay College of Criminal Justice:The City University of New York

Profs. Walters & Wu

LAST UPDATED July 19, 2018

Procedures & Policies

All information, guidelines, and deadlines in the table below are subject to
LAB INSTRUCTOR'S DISCRETION
Your lab instructor may choose to modify the posted guidelines & deadlines.
If that happens, do what your lab instructor says, not what the table says.

Some handy resources:

All about UNCERTAINTY
Lab Report Dos & Don'ts


Note: All assignments are 1) highlighted, 2) DUE the day on which they appear and 3) hyper-linked as we progress through the year.

DATE

LAB

READING

ASSIGNMENT

DAY 1,
Monday, July 16

Lab #1.

A Thing on a Spring:

A Vertical Application of Hooke's Law

Note: The Lab handout to left

is COMPLETE

and INCLUDES

ALL POST-LAB QUESTIONS

for Lab 1, Summer, 2016.

 

DAY 2,
Tuesday, July 17

Lab #2.

 A Thing on a String:

 The Planar Pendulum,

Measurement of Effects; Derivation of Cause

Due:

POST-LABS for Lab #1
-- one each per GROUP.

(Instructions for Post Lab 1 are at the end of the lab packet.)


A word of advice on
GROUP COLLABORATION:

Make an internal deadline.
Don't just write separate sections. Read, edit, discuss them.

Managed wisely, a work-group does not reduce workload.
It improves quality.

DAY 3,
Tuesday, July 18

BOARD MEETING Alpha:

(a) The S.H.O. DIF. EQ.
w/respect to,
e.g., . . .
THETA
.

 

(b) (If time,) Unpacking
UNCERTAINTY
.

DUE:

Formal Reports

for Lab #1
*

* * *

ONE FORMAL REPORT

to be submitted by

EACH LAB GROUP.

DAY 4,
Monday, July 23

Rotate Lab Groups:


Lab #3A.

A: Video Creation for the Wave Equation,

Oscillations in both Time and Space

LoggerPro TUTORIAL:

-- For Data Plotting &
Curve Fitting.

 

YOU MUST BRING
GOGGLES
FOR THIS LAB!

Due:

POST-LAB for Lab #2

DAY 5,
Tuesday, July 24

Lab #3B.

B: Video Creation for the Wave Equation

And here's

SOME HELP

with the analysis:.

(This part of the course
can seem very
intimidating at first,
but it's very important and helpful once you work through it.
If you're patient,
you are likely to find
its bark to be worse
than its bite.
And it all connects to the lecture material,
i.e.: helpful for the exam.)

 

DAY 6,
Wednesday, July 25


Lab 4:

Superposition


&

Interference

Lab #3.
Suggested RESEARCH QUESTIONS

(Treat the following as a Group of connected questions; NOT a set of choices):

If waves travel along an x-Axis defined by some 1-D medium
(such as a stretched spring or string), then...

A)
i. What mathematical function describes how the y-Position of
any given particle depends on Time?
ii. In what units are the constants measured; to what physical parameters do these constants refer?

B)
i. What mathematical function describes how the y-Position of
any given particledepends on the
particles's x-Position?
ii. In what units are the constants measured; to what physical parameters do these constants refer?

C)
i. What second-order Differential Equation fully describes wave motion?
ii. How are the individual (single-variable) functions found above related to this Differential Equation?

D)
i. In what way is Wave Motion
similar to Simple Harmonic Motion?
ii. In what way is Wave Motion
different from Simple Harmonic Motion?

DUE:

Formal Reports

for Lab #2

 

Some Sample Student Solutions To Lab 4B!


 

DAY 7,
Monday, July 30

 

Lab #4B:

CONT'D.



If time,

Demos #4C:


Human Waves,

The opposite of
Superposition
(Interference),


Harmonics

&

Fringes


(Three brief demonstrations;
Three brief discussions.)


 

Due:

POST-LAB for Lab #3

.

DAY 8,
Tuesday, July 31

BOARD MEETING Beta:

Today's Board Meeting is
Entirely up to your
LAB INSTRUCTOR.



Choice 1:
Points of CHARGE

OR

Choice2:
Discovering the
Doppler Effect

Desmos TUTORIAL:

http://www.Desmos.com

--All-Purpose
MOST HIGHLY RECOMMENDED Option for
Data Plotting & Curve Fitting

***

LoggerPro TUTORIAL:

-- Provides and Explains a
reliable option for
Data Plotting &
Curve Fitting:

LoggerPro is appropriate and recommended for graphing
ONLY WHEN the data are gathered through LoggerPro itself
AND all other options,
including EXCEL & DESMOS
are, for some reason,
unavailable.

To be clear, LoggerPro is a last resort
for graphing/curve-fitting.
Ideally, it should be used simply
for gathering data into a computer.

 

DUE:

Formal Reports

for Lab #3

DAY 9,
Wednesday, August 1

Rotate Lab Groups
(to a THIRD &
final set):



Lab #5A

Steady CIRCUITS--

Getting Introduced

Circuit Components: Meaning & Measurement

 

DUE:

POST-LABS*

FOR LAB #4B

*Note: Until/unless otherwise notified,
the Post-Lab Assignment for Lab #4B IS:

In at least a paragraph
composed of complete English sentences
from your own words:

Explain how the motion captured
in the very short video below

VJ&SONS

is 1) LIKE Wave Propagation,

2) NOT LIKE Wave Propagation

!

DAY 10,
Monday, August 6

Lab #5B

Steady CIRCUITS--

Getting Familiar

Circuit Components:
Properties & Relations

* * *

NOTE: The name Lab #5B
means simply
more time to complete
Lab #5A.

Both of the links (A & B) actually point to one and the same document.

The assumption is that each group
will work at its own pace --
stopping wherever appropriate
by the end of Week 5b,
just so long as all procedures contained in the one manual for Lab 5 have been completed
by the end of the Lab Week.

Hence, the work for both weeks proceed according
to one all-inclusive packet,
here entitled "Lab #5".

 

DUE:

FORMAL REPORTS
FOR LAB #4B.

DAY 11,
Tuesday, August 7

Lab #6.

Introduction to
Time-DEPENDENT

(NOT STEADY)
Circuits:

The RC Circuit


 

DUE:

(2) Post-Lab for Lab#5

DAY 12,
Wednesday, August 8

BOARD MEETING:

flux

 

STUDY.

DAY 13,
Monday, August 13

Lab #7.

Electromagnetic Radiation:

Light Intensity

DUE:

Formal Reports

for Lab #5.

also:
STUDY MORE.

 

 

 

 


 

 

Due

(ONLY)

QUALITATIVE ABSTRACT

for Lab #6

* * *

NOTE:

1) Be EXTREMELY careful and aware regarding the two distinct meanings for 'C' used in this lab.

(First, make sure to identify the two distinct meanings.)
The use of one letter to mean both is unfortunate.
One meaning is universal;
the other meaning arises in the use of
Logger Pro software.

2) Whether you finished taking the data for this lab or not, your obligation is to understand the big picture enough to write an abstract as though you had proceeded from start to finish: This will either be ENTIRELY QUANTITATIVE (if you were able to complete all lab-work in the lab) or ENTIRELY QUALITATIVE. You will either consistently include numbers in your abstract or you will consistently leave them out.

The good news, therefore, is that you need not concern yourself with any particular numerical details of data or results that you did not get a chance to collect. If you did not.

The bad news is that you are not allowed to make up or throw in numbers -- or use numbers for the beginning of some thoughts and then have those thoughts drift into non-numerical statements.

SIMPLY AVOID NUMBERS ENTIRELY
OR
DO A FULLY QUANTITATIVE ABSTRACT.

Either way, it's not an easy assignment. But your success will not rely on how far your experimentation had a chance to get.

FRIDAY,
MAY 12

&

MONDAY,
MAY 15

THE LAB PRACTICUM.

EQUIPMENT MANUAL/TUTORIAL

PRACTICE FINAL EXAM

FOR SUMMER 2015!


Final
EQUATION
List

Very possibly INCLUDED AS PART OF FINAL EXAM,

and therefore recommended that you
DO IN ADVANCE,

but do not submit:


Post-Labs for Lab #7

 

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