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Old 12-19-2005, 04:06 PM
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SmartyC SmartyC is offline
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Cool Here is a neat poject

Detecting acceleration!
Need: scissors, string, 1 L container w/water tight lid, pushpin, small cork or plastic-foam ball, modeling clay, and water. Put the pushpin inside the cork or foam ball, then ty the pushpin to the string. Use the clay to put the end of the string to the center of the INSIDE of the container lid. DON'T use a lot of string it shouldn't be longer than the container. Fill the container with water and turn the container upside down with the cork and pushpin inside. The cork should float up! Calculate the acceleration of the pin. Move your creation back and forth and see the changes of the acceleration.
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