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FreekPols committed Sep 10, 2024
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2 changes: 2 additions & 0 deletions .gitignore
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.vscode/

_build/
_additionalinfo/
ShowthePhysics plagiarism scan.pdf

WND/

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2 changes: 1 addition & 1 deletion book/_toc.yml
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- file: Introduction/Authors #checked, add subauthors
- file: Introduction/NVON
- file: Introduction/Python summary
- file: Introduction/tableOC
# - file: Introduction/tableOC

- caption: Pedagogy
numbered: 2
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2 changes: 1 addition & 1 deletion book/demos/demo36/demo36.md
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The flask is fully filled with water at the end of the demonstration.
```

After the burner is turned off, the boiling stops; the water vapor in the Erlenmeyer flask condenses quickly. Due to the sharp in pressure, the water starts to boil again. In addition, cold water is drawn in from the beaker. The Erlenmeyer flask fills up easily. In this phase, large forces act on the Erlenmeyer flask.
After the burner is turned off, the boiling stops; the water vapor in the Erlenmeyer flask condenses quickly. Due to the sharp drop in pressure, the water starts to boil again. In addition, cold water is drawn in from the beaker. The Erlenmeyer flask fills up easily. In this phase, large forces act on the Erlenmeyer flask.

```{tip}
A complete description (Dutch) can be found <a href="https://www.natuurkunde.nl/artikelen/3007/water-koken-bij-30-c" target="_blank">here</a>.
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12 changes: 10 additions & 2 deletions book/demos/demo43/demo43.md
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Expand Up @@ -40,6 +40,15 @@ How can you experience force and motion in person without too much interference
* Broomstick
* Large empty space (hallway, gym)

```{figure} demo43_fig1.png
---
width: 50%
align: center
name: demo43_fig2
---
A track including a pole to experience how 'easy' it is to make turns.
```

## Preparation
Be careful to remove any objects that are of value and can break! A rolling bowling ball can cause damage!

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**9. Students work in pairs to formulate the rules about the influence of forces on the movement of the bowling ball.**

**10. Checking students' understanding**\
Memphis is standing 10 meters in front of the center of an open goal. He receives a hard cross from Bergwijn's left and hits it exactly at right angles, perpendicular to the direction of travel. Explain with a drawing and reasoning why the ball might not go into the goal.
A question to check students' understanding: Memphis is standing 10 meters in front of the center of an open goal. He receives a hard cross from Bergwijn's left and hits it exactly at right angles, perpendicular to the direction of travel. Explain with a drawing and reasoning why the ball might not go into the goal.



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2 changes: 2 additions & 0 deletions book/demos/demo44/demo44.md
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Expand Up @@ -74,6 +74,8 @@ If the frequency of the stroboscope is the same as the frequency of dripping wat

```{tip}
Phyphox can be used to determine the frequency of the water droplets, you can use the acoustic chronometer for this.
There are some marvelous [video's available](https://www.youtube.com/watch?v=LdEbyvUOlsg) on this topic.
```

Each flash of the stroboscope corresponds to one frame of the film. You are sampling the motion.
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name: demo57_fig2
---
The Coandă effect explained using a wat jet.\
*Left:* The water jet bends towards the convex surface.\
*Left:* The water jet bends towards the convex surface.\
*Right:* A ping pong ball is pulled into the water jet.
```

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2 changes: 1 addition & 1 deletion book/demos/demo75/demo75.md
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Expand Up @@ -40,7 +40,7 @@ The setup with a plastic test tube rack to place the spheres on.
- Ladle
- Tea towel.

This description uses Coach 7 as measurement software. The [measurement file](./demo75coach.cma7) using this software is.
This description uses [Coach 7](https://cma-science.nl/coach7_desktop_downloads_en) as measurement software. The [measurement file](./demo75coach.cma7) using this software is.

## Preparation
1. Set up a measurement setup as shown in Figures {numref}`{number}<fig:demo75_setup1>` and {numref}`{number}<fig:demo75_setup2>`.
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