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PotU 3/16: Learn from Home Weeks 1 & 2
Your assignment for the next two weeks is to read, take notes, and complete questions from Chapter 18, Electromagnetic Waves and Light, in your textbook. There are five sections in Chapter 18, so your pace should be completing about one section every two days. When we return to school, you…Read More
3/13 PotU: Quiz on energy in mousetrap cars and earthquakes.
No warm up today, instead… Turn in your bookends/warm up sheet in the tray in the front. Get out your notes from yesterday: One page, handwritten only. Have a pencil or pen, plus a calculator. Clear everything else off your desk. Put all phones and headphones/buds/etc. in your bags. Quiz…Read More
3/12 PotU: Review for quiz
Warm up Earthquake waves carry energy. Which wave travels faster, S or P waves? Remember to copy the complete question. Answer The P waves get there first (primary), so they travel faster. Today’s agenda Today we will conduct a Kahoot!. You will earn classwork credit for completing it, so include…Read More
3/12 AP: Torque!
Equations for torque can be found on yesterday’s page. Classwork Complete Problems 1, 3, 5, and 6 on page 253-254. Intro videos What is torque? Sample torque problem How to use a torque wrench Homework: Intro to Center of Mass Watch the following videos on center of mass, and take…Read More
3/11 AP: Torque & Rotational Motion
Teeter totters and torque Torque Introduction to Torque in your textbook (skim pages 226-230) Torque is the rotational analog of force. Torque is calculated as the product of the force and the distance from the center. $latex \vec{\tau }=\vec{r}\cdot \vec{F}$ This is very similar to our $latex \vec{\ W }=\vec{d}\cdot…Read More
3/11 PotU: Last day for car trials; breakdown cars.
Warm up If a car travels 7 meters in 14 seconds, what is its speed? What if it takes 28 seconds to complete the 7 meters. Show the equations you use with numbers, units, and the correct answer in order to get a stamp! Answers 7 meters ÷ 14 seconds…Read More
3/10 AP: Rotational motion, day 2
In class Whiteboard problems from last night’s homework. Start on tonight’s homework: Problems 15, 19, 21, 23 on page 219. Homework Read Sections 7.2 and 7.3, pages 193-198 Solve problems 15, 19, 21, 23 on page 219. If you are up at around 6:30, take a look to the east…Read More
3/10 PotU: Mousetrap car testing.
Warm up: Two parts: Calculate the speed of a car that traveled 2.7 m in 3.5 s. Calculate the average of 3.2m/s, 4.2m/s, and 3.7m/s. You must have all the information written, show the equation you used, and your answer (must be correct) to get a stamp today. Have your…Read More
3/9 AP: Practice with angular speed and acceleration
Friday’s post includes the translational concepts we have studied, as well as the rotational equivalents. If you were absent, be sure to check this page. Today Read and takes notes on Section 7.1; pages 189-192. Turn in your notes for credit. Work on all odd-numbered problems on page 218-219, numbers…Read More
3/9 PotU: Running the mousetrap cars!
Warm up Copy the energy bar graph below, then name the components of your system and add bars representing the energy at the three different stages described. Today’s work Your car should be ready to go; no more than five minutes to get it ready. Before the end of the…Read More