Superposition free fall and throw
prusaprinters
<p>With the apparatus it is possible to make very well audible that a horizontally thrown ball and a free falling ball hit the ground at the same time.<br>The device is also very suitable for measuring the fall time with PhyPhox and the acoustic stopwatch.<br><a href="https://phyphox.org/de/experiment/akustische-stoppuhr/">https://phyphox.org/de/experiment/akustische-stoppuhr/</a></p><p>Position the aparatus at the corner of a table, tension the arm, position the balls, press the release-button.</p><p>One ball falls straight down, the other flies straight ahead.</p><p>You can print both parts in PLA, but PETG is better for the arm.</p><p>Print the arm with 5 perimeters, so that the spring is stable.</p><p>See it in action: </p><figure class="media"><oembed url="https://youtu.be/XO9GnrYwRzs"></oembed></figure><p>In the following graphic you can sea measurements of the falling ball made with the acoustic stopwatch:</p><figure class="image"><img src="https://media.prusaprinters.org/media/prints/83407/rich_content/c00710af-7909-4cec-879c-c1fd607cfe52/messwerte.png#%7B%22uuid%22%3A%22a143c58d-70ce-47dc-b359-e429864946c5%22%2C%22w%22%3A888%2C%22h%22%3A330%7D"></figure>
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