Class 19.5
Tuesday,
10/23/18
Warm Up: None
Today:

Finish your rockets and homework.

Determine the optimal amount of water for
your water rocket, using a
Water
rocket simulator such as this one. If you do use
this simulator, don't forget to enter "100p" for pressure.
Online Textbook
(OpenStax) Reading:
Homework:
Due on Wednesday:

Class 19
Monday,
10/22/18
Warm Up: None
Today:
1)
Watch this video. Make sure
that you adjust the three volume controls: 1) computer volume, 2)
YouTube volume, 3) Stereo Receiver volume
2) Work on Rockets:

In pairs, design and build a water
rocket. There can only be one nonpair group per class.
That one group can be a single person or a group of 3.

Each pair gets no more than two bottles. One bottle is for
spare parts, and the other bottle is for the pressure chamber.
The pressure chamber bottle must not be cut into or compromised in
any way. A good rocket will need nice fins near the back, a
weight on the front, an aerodynamic design, and radial symmetry
(when viewed from the nose).

You may want to use a water rocket
simulator, like this one [Water
rocket simulator  enter "100p" for pressure.], to
determine the optimal "empty mass" of your rocket. You
should definitely determine the optimal amount of water for your
rocket (@100psi)

Rocket goals and requirements:

Goal: maximum height

Flight is straight up and straight down.
No parachutes.

No more than 1m of duct tape may be
used.

You must construct your rocket in such a
way that you can disassemble it and recycle all recyclable
components (and reuse all reusable components). Duct tape
is not recyclable.

Rocket Materials Locations:

Bottles go bags in the back of the room.

Scissors are kept in one of the teacher
desk drawers (left side)

Duct tape goes in the top left teacher
desk drawer.

Store your rocket (and/or rocket parts) in a
cabinet beneath a lab table.

Trash (bottle labels and ruined duct
tape) goes in the trash can

Recycling goes in the recycling bin
3) Work on the homework (below)
Online Textbook
(OpenStax) Reading:
Homework: Due on Wednesday:

Class 18.5
Wednesday,
10/17/18
Warm Up:
1. How does a water rocket work?
2. Would a water rocket work better or worse in
outer space? Explain.
Today:
Online Textbook
(OpenStax) Reading:
Homework:
 Bring in a weight for a water rocket. A rock will work.
A good one would be a cylindrical rock that is about 1" in diameter
and 23 inches long. I think 50 grams is okay, but
that may not be right.
 Due on Wednesday:

Class 18
Tuesday,
10/16/18
Warm Up: Take a look at the 2D kinematics data
relating to homework completion and test scores. What do you
think?
Means: 68% (A5/6), 84% (A7/8)
Medians: 63% (A5/6), 88% (A7/8)
Today:

Return Tests: Test corrections for Chapter 3 (2D
Kinematics) are due by 10/31. For multiple choice
questions, you must explain the reasoning behind your answer choice.

Check/review homework 
Practice with forces in 1 dimension
 Conceptual questions 310. Problems 19.
Answers/solutions

Notes: 3rd Law, Tension

Mr. Stapleton will be gone on Monday and Tuesday. He will
leave you some physics problems.
Online Textbook
(OpenStax) Reading:
Homework:

Class 17.5
Monday,
10/15/18
Warm Up:
There is a heavy object suspended from the ceiling by a string.
Another segment of the from the same roll of string is hanging from the object. I am going to
pull on the bottom string until one of the two strings breaks.
Which string is going to break first? Why?
Today:
Online Textbook
(OpenStax) Reading:
Homework:

Class 17
Friday,
10/12/18
Warm Up:
Test Today. No Warmup.
Today:
Chapter 3 Test
Online Textbook
(OpenStax) Reading:
Homework:

Class 16
Thursday,
10/11/18
Warm Up:
1. It is possible to remove a sheet paper from under a dry erase pen without touching
or tipping the pen. How can one do this without tipping
the pen? Why does the pen usually fall?
2. 1m/s = ____ mph. For tomorrow's test,
memorize this or be able to calculate it based on a known conversion.
Today:
Online Textbook
(OpenStax) Reading:
Homework:

Prepare for Friday's test.

Class 15.5
Tuesday,
10/10/18
Warm Up:
No Warmup
Today:
Online Textbook
(OpenStax) Reading:
Homework:

Prepare for Friday's test.

Class 15
Tuesday,
10/8/18
Warm Up:
No Warmup
Today:
Online Textbook
(OpenStax) Reading:
Homework:

Prepare for Friday's test.

Class 14.5
Monday,
10/8/18
Warm Up:
Will the blue hunter hit the monkey?
Today:

Check/review homework:
Problems section of Mr. Pennington's old
Chapter 3 Test
Solutions

*If you want to adjust Y_{0 }in you
spreadsheet, and you used the same formula that I did, you will need
to change your formula. Example

Get contest problems. No more
practice shots.

This is what the launcher platforms will
look like.

Prepare for the contest:

Make sure that you have a graph of V_{0}
vs. Launcher Setting

Solve the contest problems.

Staple the graph to your problem
solutions.

Coming up:

Tomorrow: Projectile contest in the
guidance lobby

Wednesday: no class

Thursday: review? Begin new unit 
Newton's Laws in 1 Dimension

Friday: Chapter 3 Test (2D
Kinematics  Vector addition, subtraction, and resolution;
river problems, projectile motion)
Online Textbook
(OpenStax) Reading:
Homework:

As a Group:
 Solve the
contest problems.
 Staple your graph to your solutions.
 Be ready to shoot right away, tomorrow

Class 14
Friday,
10/5/18
Warm Up:
A green hunter and a blue hunter point their guns directly at
a fake orange monkey and then fire simultaneously. Just as the two
hunters fire their guns, the fake monkey slips and freefalls from the
treetop. [You may assume that
this takes place in a vacuum on a flat earth.]
1. Where does each hunter's projectile end up, relative to the monkey?
High, low, or in the monkey?
2. How would the result have been different if the
monkey had stayed in position at the top of the tree?
3. Does the answer to either of these questions depend on the
bullet velocities?
Today:
Online Textbook
(OpenStax) Reading:
Homework:

Class 13.5
Thursday,
10/4/18
Warm Up: Can you think of a more precise method of
calibrating your launcher?  rather than shooting horizontally
from a stool? What does precision mean?
Today:
Online Textbook
(OpenStax) Reading:
Homework:
 Get a working trajectory spreadsheet. You only have to
have one for your your group; you can share copies of it.
See class 13, below, for details. There are instructional
videos on my my YouTube channel. It should work like this
.
A line graph may actually work better than a scatter plot.
 Use the spreadsheet to complete these
launcher project practice problems.

Class 13
Wednesday,
10/3/18
Warm Up:
At the angle shown, can the projectile launcher hit the target? If
not, how should the launcher be adjusted?
Today:

Finish discussing Monday's homework?  "projectile
practice problems 14" in
Currents and Projectiles  Notes and Practice (solutions)

Continue calibrating launchers.
(Directions for calibrating projectile launchers)
Create a calibration table and a graph. Check your
calibrations by trying to hit targets at a variety of distances.

Minicontest after 30 minutes of calibration
time.

As a group, begin creating a projectile
trajectory simulator (spreadsheet).

Here is a
link to a Spreadsheet Template that you can use. Given
an initial projectile speed and launch angle, your spreadsheet
must:

Use this screenshot to confirm that your
spreadsheet works correctly. Enter the same values in
yellow, and see if you get the same results. Your graph
may vary depending on how many data points you include.
You may want to add a trend line.

For videos showing how to create and
fine tune the spreadsheet, see the recent videos on my YouTube
channel.
Online Textbook
(OpenStax) Reading:
Homework:

Class 12.5
Tuesday,
10/2/18
Warm Up:
1. The pilot of a small plane is navigating by
pointing her plane directly southward while maintaining an air speed of
100m/s. If the plane has an actual eastward velocity of 50m/s, what is
the velocity of the air that surrounds the plane?
To eliminate some calculations, you can describe the wind velocity
by providing its two component vectors.
2. If there were no windshield, and the propeller
were momentarily removed, would the pilot feel air blowing from straight
ahead or from some other direction?
Today:
Online Textbook
(OpenStax) Reading:
Homework:
 Nothing new. If you're feeling unsure about your
understanding of this unit, go back through the previous assignments
listed for classes 9.510.5 and try to identify the problems or
concepts that are giving you the most trouble.

Class 12
Monday,
10/1/18
Warm Up: Sketch the component and resultant vectors
for the following "river problems."
1. A paddler travels eastward at a rate of 3m/s.
The paddler's heading is northeastward, and the paddler's speed in still
water is 8m/s. What is the velocity of the water in which the
paddler is paddling?
2. A quadcopter has a velocity of 20m/s westward.
The wind is blowing southward at a rate of 10m/s. What are the
quadcopter's airspeed and heading?
3. The driver of a golf cart on an aircraft carrier
uses a compast to head northward. The cart's speedometer reads
10mph. The aircraft carrier's heading is eastward, and it's speed
in still water is15mph. The ocean current is northwestward at a
rate of 5mph. What is the actual velocity (relative to the Earth)
of the golf cart?
Today:
Online Textbook
(OpenStax) Reading:
Homework:

Class 11.5
Friday,
9/28/18
Warm Up:
1. How do you enter a formula in a spreadsheet
(e.g. Google Sheets, or Excel)?
2. If you don't know how to do something in a
spreadsheet, how can you find out how it's done?
3. How would you create a spreadsheet like the one
on the right? Given a projectile's initial speed and launch angle,
this spreadsheet calculates the x and y positions of the projectile at
any given time.
Today:
Coming up:

Projectile launcher modification, calibration, and siege contest.
Example problem:
Example calibration graph:
Online Textbook
(OpenStax) Reading:
Homework/Deadlines:
 Tonight's homework:
 Complete the first page of
Chapter 3 Practice Test Solutions
 Use Google Sheets to create a spreadsheet like this one
.
You will have to enter formulas into the blue and green cells.
The purpose of this spreadsheet is to quickly calculate the
initial velocity of a horizontally launched projectile.
The data that must be entered (into the yellow cells) in order
to perform the calculation are initial height and horizontal
distance traveled before hitting the floor. Use the data
in this screenshot to check your formulas. Adjust your share
settings to "anyone at ESWD with a link," and paste your link
into this form.
 All corrections for the first test (1D Kinematics) must be
completed and turned in by Thursday, October 11.
 If you did not get credit for the vector or river problems, you
may complete them by Monday for credit. Otherwise they will
simply not count. Normally, late homework assignments are not
scored, but I am making an exception because of my absence.

Class 11
Thursday,
9/27/18
Warm Up
: Two canoe paddlers begin at the starting point in
the diagram on the right. They paddle with a constant water
speed. Paddler A maintains a westward heading while paddler B
keeps the canoe pointed at the small island.
1. What is the difference between water speed
and speed?
2. Which paddler is following a heading?
3. Describe the shape of the path followed by each
paddler.
4. Now suppose we increase the scale of the
problem, remove any current, and provide paddler A with a compass only
at the beginning of her journey. She points her canoe westward,
begins traveling in that direction, and maintains her speed in a
perfectly straight path. Assuming that her path is perfectly
straight, will she reach the island 1,000 miles away? Explain.
5. What does the previous question suggest about
the assumptions of river problems in this class?
6. In this class, river problems will involve three
velocities, a) the velocity of a medium
(e.g. river water, or moving air) relative to the Earth, b)
the speed of an object relative to the
medium, and its direction (heading), relative to the Earth, and
c) the velocity of the object relative to the
Earth. Which of these three velocities will be the
resultant vector in river problems? [It may be easier to think of these
as the current's direction, the
object's heading, and the
object's actual path.]
Today:

Checkin. See what actually happened
while I was gone.

Turnin previous nights' homeworks (vectors
and river problems). You can just turn in the whole packet.
Staple work to the back.

Check/review problems 3 and 4 from the
Chapter 3 Practice Test Solutions

Questions about the river problems?

Kinematics equations for constant velocity
and constant acceleration, and when to use them
Coming up:

Projectile launcher modification, calibration, and siege contest.
Example problem:
Example calibration graph:
Online Textbook
(OpenStax) Reading:
Homework:

Classes 9.5 (Monday, 9/24), 10 (Tuesday, 9/25),
and 10.5 (Wednesday, 9/27)
Work through these notes and problem sets. Please help one
another. Also ask Mr. Chase for help. If you sign up for my
Flex, he is in the same room (C211/212).
Online Textbook
(OpenStax) Reading:
Schedule 
Item 
Where to
find it 
Directions 
Solutions
Links 
Video
Links 
Monday 
Drawing and calculating Orthogonal Vectors

Top cubby
2nd column from the right. It's
part of the big handout from last week 
 Check your answers to Friday's homework by looking
at the solutions.
 At a minimum, complete the
last orthogonal vector problem. If you want
more practice, do the others.

(Solutions) 
Video:
Intro to 2D Kinematics and Vectors
Vector
Addition (drawing and calculating orthogonal and nonorthogonal) 
Monday 
Drawing and Calculating NonOrthogonal Vectors 
Top cubby. Part of big handout from last week 
 Same as orthogonal problem directions, above.

(Solutions) 
See above 
Monday night
homework 
Classic River
Problem 
Top cubby. Part of big handout from last week 
 Complete the problem. Try it on your own. If
you need help, look at the solution.
 On Tuesday, check your work. Get help from other
students if you need it.

Solution 

Tuesday (Full
block)  and Tuesday night, if necessary 
Still more river problems #25 
Top cubby. Part of big handout from last week 
 Complete river problem #2, then check your answer.
I shared two sets of solutions. If you don't
understand the solutions, watch a video, on the right.
 Continue working on #3, 4, and 5. Check each
problem as you complete it.

2017
Solutions to Still more river problems  with tables
Old solutions (no tables) 
(solutions 23)
(solutions
45) 
#5
video #4
video #2
and 3 video  old solutions 
Wednesday (split
block) 
Currents and Projectiles  Notes and Practice
Problems 
2nd cubby from the top. 
 Complete the notes section of the handout. You can
look at the completed notes on the right, or you can play
the video. If the class chooses, you can play the
video using the teacher computer and the projector.

Filledin notes and solutions 
Video
of Notes from Class 
Wednesday (finish
at home) 
Chapter 3 Practice Test 
3rd cubby from the
top 
 Complete problems #3 and #4 practice test. There
is a video for these problems.

Solutions 
Ch3
PTest Conceptual Questions Video
Ch3
PTest Probs 12 Video
Ch3 PTest
Probs 34 Video 

Class
9 Friday,
9/21/18
Warm Up
:
1. What are sine, cosine, and tangent?
2. Find the missing
vector magnitudes on the right.
Today:

Mr. Stapleton will be gone on Monday through Wednesday. I will leave
problems, solutions, and videos on this website. There will be
paper copies of the problems and questions in the classroom, in the
wooden cubbies in the front of C209, 2nd cubby column from the
right.

Preview of this
unit  What's on the Chapter 3 Test

Vector Addition Head to Tail Method

How to do it:
 Draw all vectors pointing in their proper directions and
with lengths proportional to their magnitudes.
 Arrange all component vectors head to tail, to create
one big, crooked vector. Replace the crooked string of
component vectors with one resultant vector. The head of the
resultant vector touches the unpaired head of the component
vectors. The tail of the resultant vector touches the
unpaired tail of the component vectors.

Combined handout with notes, analytic vector practice, and river
problems (all three of the handouts below)

Brief vector notes
Answer Key

Analytical (trig and geometry) vector addition practice.
Draw and label component and resultant vectors.
Measure and label angles of nonorthogonal vectors.
Online Textbook
(OpenStax) Reading:
Homework:
 There will not be explicit notes on every aspect of vector
addition, but we will practice it. In lieu of complete notes,
refer to the textbook sections.
 Finish Analytical Vector Addition Practice  orthogonal and random vector assignments (above)

Class
8.5 Thursday,
9/20/18
Warm Up:
1.
Suppose the two vectors on the right represent two forces acting on the
clam. In what direction will the clam accelerate? What will
be the magnitude of the net force accelerating the clam in that
direction?
2. The diagram on the right shows a top view of a
train car that is moving at a rate of 2m/s. You are in the car. In which direction
and how fast should you walk in order to have the intended velocity
shown on the right.
Today:
Online Textbook
(OpenStax) Reading:
Homework:

Read my comments on your video analysis
(A5/6,
A7/8)
. If you have a yellow cell, you must redo whatever is yellow.
Otherwise, making corrections is not mandatory.

Class
8 Wednesday,
9/19/18
Warm Up: No warmup today
Today:
Online Textbook
(OpenStax) Reading:
Homework:

Read my comments on your video analysis
(A5/6,
A7/8)
. If you have a yellow cell, you must redo whatever is yellow.
Otherwise, making corrections is not mandatory.

Class
7.5 Tuesday,
9/18/18
Warm Up:
1. Propose an explanation for why this
velocity graph is so scattered looking.
2. What five variables should you look for
in kinematics problems?
Today:
 I finished reviewing and making comments on the video analyses
(A5/6,
A7/8)
. If you have a yellow cell, you must redo whatever is yellow.
Otherwise, making corrections is not mandatory.
 Completion of the video analysis is required, unlike ordinary
homework. If you have not submitted analysis videos and
graphs, you may still do it for credit.
 Check/review
1D Kinematics Practice Test #2.
Solutions
and
"More
Kinematics Problems"
Solutions
Homework:

Test tomorrow. Bring a pencil and a calculator.

Class
7 Monday,
9/17/18
Warm Up:
1. Eliud Kipchoge ran 26.22 miles in a time of
2:01:39. What was his average Δt, in minutes and seconds,
for each mile?
2. Why is a marathon 26 miles, 385 yards?
3. Take a look at the formulas that you will be
given on the test.
Today:
Online Textbook
(OpenStax) Reading:
Homework:

Finish 1D Kinematics Practice Test #2.
Solutions
and
"More
Kinematics Problems"
Solutions

Test on Wednesday:
 Format: 2 short answer (4pts
total), 14multiple choice (14 points), 1 unit conversion problem
(2pts), 5 onepart problems (20pts), 1 extended problem with 6 parts
(12 pts). 52 points in all, worth at least 80% of your grade
as of Thursday.
 Topics on the test: What it can mean to have different
combinations acceleration (+,, or 0) and velocity (+,, or 0);
graphing; freefall; unit conversion; problems (identifying
variables and applying correct formulas), including proper units,
showing work for partial credit, formulas for average velocity and
acceleration
 What to study: notes, homeworks (including Mr.
Pennington's old test), practice test. Video analysis will
not be on the
test.

Class
6.5 Friday,
9/14/18
Warm Up:
Sometimes people celebrate special occasions by firing guns into the
air.
1. Is this a dangerous way to celebrate? Why, or why not?
2. Why don't clouds fall out of the sky?
Calculated terminal
velocities of various spheres.
Today:
Online Textbook
(OpenStax) Reading:
Homework:

Class
6 Thursday,
9/13/18
Warm Up:
1. A race car is traveling counterclockwise around
a circular track. The car's speedometer stays on exactly 100mph
the whole time.
Describe what happens to each of the following
as the car makes one revolution around the track:
a) the car's speed b) the car's velocity c) the
car's acceleration.
2. All of the speed calculations in the
screenshot on the right (blue) are
slightly off, and the last speed calculation (red)
is really, really off. Why?
Today:
Coming Up:
 Friday  2nd practice test (includes an extended problem)
 Monday  Review 2nd practice test
 Wednesday  Chapter 2 Test  1D Kinematics
 Some day (probably)  Quiz over video analysis
Online Textbook
(OpenStax) Reading:
Homework:

Class
5.5 Wednesday,
9/12/18
Warm Up:
Match each position
vs. time graph with the correct velocity and acceleration graph.
Today:
Coming Up:
 Thursday  watch some videos, more practice problems
 Friday  2nd practice test (includes an extended problem)
 Monday  Review 2nd practice test
 Wednesday  Chapter 2 Test  1D Kinematics
 Some day (probably)  Quiz over video analysis
Online Textbook
(OpenStax) Reading:
Homework:

Class
5 Tuesday,
9/11/18
Warm Up:
A ball is launched directly upward from the Earth's surface.
The ball returns to Earth and hits the ground after a time of 10
seconds. Assuming no air resistance and g≈10m/s^{2},
fill in the values in the diagram on the right.
[Though the diagram appears to show
horizontal motion, assume that there is none.]
Today:
 Check/review homework
Mr. Pennington's Old 1D Kinematics Test
Answer Key.
 Work time:
 Mr. Pennington's test  solve the problems
 Remember that, on a test, you may receive partial credit
for: Useful Equation(s),
correct identificaton of all given variables,
math/computation, reasoning, units
 Finish video analyses
Online Textbook
(OpenStax) Reading:
Homework:
 Due tomorrow: Complete the problems section of
Mr. Pennington's Old 1D Kinematics Test
Answer Key.
 Video Analysis is due tomorrow
 Complete your row of your class' spreadsheet (A5/6,
A7/8).
 Make sure that everything (videos and spreadsheets) are
shared with "anyone with a link."
 Fix your motion graphs so that they
correctly represent the motion from
your video.

Class
4.5 Monday,
9/10/18
Warm Up:
The symbol "g" usually represents the absolute value of the acceleration of
gravity near Earth's surface (in the absence of air resistance). The approximate value of g is 9.8m/s^{2}.
For the sake of simplicity, use g = 10m/s^{2} to complete
the motion graphs for an object with v_{0} = 20m/s and y_{0}
= 0m.
[Ignore air resistance.]
Today:
 Brief demo  how to use formulas in a spreadsheet.
 Finish individual video analysis work:
 Choose two videos to analyze. One must use the
stationary camera method (Logger Pro Method), and one must use the moving camera
method (Quicktime).
 Click one of these links to your class spreadsheet 
A5/6,
A7/8
 Enter your name on the next open row. Insert
links to your videos into columns C and G. Enter
descriptions of what the video is supposed to demonstrate
into columns B and F.
Tomorrow:

Review homework

?

Work time:
Online Textbook
(OpenStax) Reading:
Homework:
 Due tomorrow: Complete the multiple choice section of
Mr. Pennington's Old 1D Kinematics Test
Answer Key.
 Video Analysis is Due on Wednesday
 Complete your row of your class' spreadsheet (A5/6,
A7/8).
 Make sure that everything (videos and spreadsheets) are
shared with "anyone with a link."
 Fix your motion graphs so that they
correctly represent the motion from
your video. In cases where your video was
rotated sideways in Logger Pro, you may use formulas to fix the
data or you may resolve the confusion with creative yaxis
labeling. For example, if your video shows a dropped ball,
but the video is rotated counterclockwise, so that the ball
seems to accelerate positively to the right, you may label your
velocity graph y axis with the following statement "speed in the
direction of the ground (meters)." For objects with
diagonal motion, you will need to specify which component of the
object's motion is being represented, so your y axis might be
labeled "upward speed," "downward speed," "rightward speed," or
"leftward speed." If you want a challenge, you could use
formulas to calculate the actual diagonal speed based on the x
and y velocities, using the pythagorean theorem.

Class
4 Friday,
9/7/18
Warm Up:
1. For letter a, on the right describe what an object could be doing
in order to have both positive velocity and positive acceleration.
2. Do the same for the rest of the letters.
Today:
 A7/8  finish going over #7 and #8 from Wednesday's homework.
Answer Key  Kinematics Formulas and Practice Problems
 Demonstation of how to complete video analyses.
Falling object Rubber
Band Car

Video Links showing how to analyze videos using both methods 
created last year.
 Begin
analyzing motion videos.
 Upload Videos to your Google Drive
 Set your shared settings so that anyone in the district can
view the videos.
 Share the videos with your group, or send them links.
 Individual Work:
 Choose two videos to analyze. One must use the
stationary camera method (Logger Pro Method), and one must use the moving camera
method (Quicktime).
 Click one of these links to your class spreadsheet 
A5/6,
A7/8
 Enter your name on the next open row. Insert
links to your videos into columns C and G. Enter
descriptions of what the video is supposed to demonstrate
into columns B and F.

Use the Logger Pro (stationary camera) method first,
following the
Video Analysis Directions.
You should use Logger Pro first because you probably will
not have access to Logger Pro at home. Quicktime
player, on the other hand, is fairly easy and free to
download.
 Analyze another
video without using QuickTime (motion along a ruler). To make your task easier, feel free
to copy these spreadsheetsand modify them to meet your needs (Logger
Pro method,
Quicktime Method).
Online Textbook
(OpenStax) Reading:
Homework:

Class
3.5 Thursday,
9/6/18
Warm Up:
1. How does the Amazing Water and Sound Experiment work?
2. Answer to yesterday's warmup#3?.
Today:
Online Textbook
(OpenStax) Reading:
Homework:

Class
3 Wednesday,
9/5/18
Warm Up:
1. Assuming that the man in the picture is 2m tall, and
the frame rate of the camera was 30 frames per second, what were the approximate
maximum and minimum speeds of the object?
2. Based on your answers, do you think the
assumption of 30 frames per second was too loww, too high, or about
right?
3. If you could travel in time, and you found
yourself in the infinite loop of acceleration changes shown below...
a) what might your velocity and position graphs look like?, and b)
would you ever find yourself in the same location as another past
self? If so, show how this could occur.
Today:
Online Textbook
(OpenStax) Reading:
Homework:

Class
2.5 Tuesday,
9/4/18 Warm Up:
A runner sprints exactly 100m, rests for a moment, and
then slowly follows the same path back to the starting line. This
entire trip takes 200s. For the questions below, consider
the runner's entire round trip.
1. What distance did the runner travel?
2. What was the runner's displacement?
3. What was the runner's average velocity?
4. What was the runner's average speed?
Today:
Handouts:
Online Textbook
(OpenStax) Reading:
Homework:

Class
2 Friday,
8/31/18 Warm Up:
Use the velocity vs time graph on the
right to sketch the shape of a corresponding position vs time
graph.
[Hint: positive velocity corresponds to
movement away from a motion sensor.]
Today:
Handouts:
Online Textbook
(OpenStax) Reading:
Homework:

Class
1.5 Thursday,
8/30/18 Warm Up:
For each letter, describe what is happening to
the person's speed and
direction during the 10 seconds represented on the graph.
Today:
Handouts:
Online Textbook
(OpenStax) Reading:
Homework:
 Course expectations signatures.
 Suggested Reading (see above)

Class
1: Wednesday,
8/29/18 Physics
200: Mr. Stapleton
Warm Up:
Spin
one of the "sprotating cylinders" by pressing one end until it squirts
out from under your finger. Try pressing the other end.
When the cylinder is spinning, why do you only see the
symbol that you press?
Slow motion
Today:
 8 students log in
to laptops ASAP
 Learn names/pronunciations
 Enter attendance
 Student info sheet
 Mr. Stapleton philosophy,
slideshow, etc
 Briefly go over course expectations, class overview
(see last year's site).
 Motion Matching Activity  at rink?
 ***A5/6 has D lunch.
 BDay Split block times (I think) are:
 B5  115012:28
 B6  12:321:10
Handouts:
Online Textbook
(OpenStax) Reading:
Homework:
 Get your course expectations signed and then return them.
 Suggested Reading (see above)
