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Motion Graphs

posted Sep 13, 2016, 8:00 AM by Tom Erekson_lphs

The Universe & More
Click HERE.

Ramp N Roll  
Click HERE.

The Moving Man
Click on the image below to run The Moving Man.
The Moving Man

AP Scores in July

posted Apr 12, 2016, 12:25 PM by Tom Erekson_lphs

Fill in AP answer sheets carefully and consistently at exam time or during a pre-administration session. It is especially important to provide name, date of birth, sex, mailing address, and email address.
Sign up for a College Board account on the student AP score website as early as possible. Students must have an account to access their scores.
Some students may already have an account. Have them confirm this by signing in.
Remember the following information, which will be required to see scores in July:
College Board account username and password
2016 AP number (or student ID number if they provided it on their AP answer sheet)
Score Release Schedule
The score release schedule will be available on the student AP score website in May, and students will receive an email in early July reminding them when they can access their scores.

Quizlet

posted Apr 11, 2016, 8:01 AM by Tom Erekson_lphs   [ updated Apr 11, 2016, 8:11 AM ]

Need help memorizing equations, vocabulary, or units?  I created some Quizlets to help.  Just search for "Erekson" in classes, and you'll find me there, or Click HERE to join my online Quizlet class.

Video Review Links

posted Mar 31, 2016, 12:18 PM by Tom Erekson_lphs

There is a link in the AP Physics Files section with a list of review topics that has links to YouTube video reviews.  Please check some of them out!!!

More Complex Kinematics Problems

posted Sep 18, 2015, 8:14 AM by Tom Erekson_lphs

We did most of these in class.  They can be found at the end of Chapter 2.

Motion Graphs

posted Sep 10, 2015, 6:42 AM by Tom Erekson_lphs   [ updated Sep 10, 2015, 7:34 AM ]

The Universe & More
Click HERE.

Ramp N Roll  
Click HERE.

The Moving Man
Click on the image below to run The Moving Man.

Ball on a Ramp Lab (video analysis)

posted Sep 8, 2015, 6:29 AM by Tom Erekson_lphs   [ updated Sep 8, 2015, 7:26 AM ]

Download the video file HERE. -Save it to the desktop.-  
- Run Logger Pro.
- Click INSERT---MOVIE.
- Locate the video file on the desktop.
- Right click on the movie, select MOVIE OPTIONS, set it to advance the movie 4 frames. 
- Click on the NEXT FRAME button until the fingers are no longer touching the ball.
- Click on the three red dots in the lower right corner.
- Click on the horizontal meter stick (fourth from top on the right). Click an drag across the two-meter stick and set the scale at 2m.
- Click on the Set Origin button (third from top on the right). 
- Click on the center of the ball.  A set of axes will appear.
- Click on the yellow circle to the right of the origin. Rotate the axes so the "x" axis lines up with the ramp.
- Click on the ADD POINT button (2nd from top at right).
- Now click on the center of the ball.  It will mark the position, and advance the movie four frames.  Repeat until ball reaches the bottom.
- Hit CTRL + R to rearrange the windows.
- Now set the vertical axis to graph just X.  
- It will need to be linearized.  Remember to click on the DATA menu, choose NEW CALCULATED COLUMN...

Constant Velocity Fun

posted Sep 1, 2015, 7:50 AM by Tom Erekson_lphs

The Universe & More.  Play this fun game to learn about position vs. time and velocity vs. time graphs.

Download Logger Pro

posted Aug 24, 2015, 9:09 AM by Tom Erekson_lphs   [ updated Aug 25, 2015, 12:25 PM ]

Our software license allows any current Lone Peak HS student to download and install the full version for FREE.  The downloads are PASSWORD PROTECTED.  To receive the password, email your Physics teacher with your name and class period.  (Please do NOT email if you are NOT a student of Lone Peak HS.)

========================================
Logger Pro 3.9 with sample movies (Windows)
Link: http://www.vernier.com/d/ajshh

Logger Pro 3.9 with sample movies (Mac OS X)
Link: http://www.vernier.com/d/qfknb
========================================
For Windows XP/Vista  (request this password specifically in your email. It is different from the regular password.)
If you're using Windows XP or Vista, you will need a compatible version of Logger Pro.
Link: http://www2.vernier.com/download/LoggerPro3_8_7.exe

How to Use Logger Pro

posted Aug 24, 2015, 9:03 AM by Tom Erekson_lphs

  1. Run Logger Pro.

  2. Rename the data columns.  (double click column name; type in Name, Short Name, and Units)

  3. Type in the data.  You will see the data plotted on the graph as you type it in.

  4. Insert a text box.  (INSERT →  TEXT)

  5. Identify the graph shape.  

  6. Is it Linear?

    1. Yes→ select the graph, click on the LINEAR FIT button at the top (looks like R=).

      1. Type names into the text box.

      2. Type the equation of the line into the text box.

      3. Hit CTRL & R to rearrange the windows.  You can resize them manually if you want.

    2. No→ Decide how to linearize it.  (x^2, y^2, 1/x)

      1. Click on DATA menu at top, select NEW CALCULATED COLUMN.

      2. Give this new column a Name, Short Name, and Units.

      3. Now in the Expression area, click on the VARIABLES (COLUMNS) button to select an existing column.  Put in the correct formula (squared or 1/ ).

      4. Click on INSERT menu at top, select GRAPH.

      5. Hit CTRL & R to rearrange the windows.  You can resize them manually if you want.

      6. Click on the axis labels in the new graph and select the variables you want graphed on each axis.

      7. select the graph, click on the LINEAR FIT button at the top (looks like R=).

      8. Type names into the text box.

      9. Type the equation of the line into the text box.

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