DAY 62

1. CH 6 Exam

2. Momentum Lab

http://www.glencoe.com/sec/science/internet_lab/olc.php?olcChapter=809

Create a Google Doc using your school account. Share it with me (j.alexander@tch.birminghamcharter.com) and all your groupmates. I will be giving you feedback today and other days as you do your write-up. Make sure you give me permission to edit.

**Need help using the triple beam balance? Here --> https://middleschoolscience.com/2015/06/28/reading-a-triple-beam-balance/

Goal for today:

    Title

    Names

    Data from Procedure section 

Your Final Product:

    - Google Document with:

    A. Hypothesis

    B. Materials

    C. Answers to each question from: Analyze, Conclude & Apply; Going Further; Real-World Physics sections

    D. Completed data table. 

HOMEWORK: 

TUESDAY

1. Hypothesis for the lab that answers: "How is the momentum of a system affected by a sticky collision?"

2. Read pg 229-231. Reading Quiz Tuesday

3. Watch: http://www.flippingphysics.com/helmet.html

4. Watch: https://www.youtube.com/watch?v=dbZA5_b3HOA&feature=youtu.be

5. Complete Example problem #1 from pg 232, pg 235 6 & 8

#Goals: SWBAT...

1. Calculate Impulse & Force

2. Calculate change in momentum

3. Collect and Interpret velcity-time Data from a collision involving two carts

4. Compare system momentum before and after collisions

5. Calculate kinetic energy before and after collisions

WARM-UP & HW Check:

Solve problem #60 on pg 251

Reminder: This Friday I'll be checking warm-ups for this week and last week.

(Complete #5 from pg 233; and #9-11 on pg 235; Complete pg 250-252 problems: 47; 48; 58; 69)

CLASSWORK:

1. HW Review

2. Momentum and Collisions Lab:

Your Final Product:

    - Word Document with:

    A. Answers to each question

    B. Completed data table. (You can use the data table from your lab handout for this)

    C. Calculations showing how you found the velocity and momentum for part 1, part 2, and part 3

    D. Data due Friday at beginning of class. Lab Reports will be written in in class. You'll have 45 min to complete your write-up.

            Tutoring available after school Mon, Tues, and Wed until 4:30. Lunch almost every day.

HOMEWORK: 

1. Complete pg 250-252 problems: 49; 56; 59

2. Lab Data Due Friday

STILL STRUGGLING WITH HOW TO CALCULATE THE VELOCITIES?

This might help...

So, in Part 1, you're pushing one cart into a stationary second cart. For both those carts, their initial velocity is the velocity they have prior to the collision. One cart has a velocity around 0.2 to 0.4m/s, and the other cart is at 0m/s. 

After the collision, the cart you pushed probably stopped, and the other cart started moving. The velocities of the carts after the collisions would be your final velocities. One would be 0m/s (or very close to zero - some of the carts started moving backwards....) and the other would be somewhere around 0.2-0.4m/s. 

Here's a video: https://www.youtube.com/watch?v=IQTpaYJHZNchttps://www.youtube.com/watch?v=IQTpaYJHZNc

Let me know if you have any other questions...

Mr. A