Racing Balls
video embedded;
aka Ball through the Valley
Description:
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Apparatus consists of two tracks where two balls can be launched simultaneously. One of the tracks has a 'valley'. which ball finishes the race first?
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Video:
source: https://play.library.utoronto.ca/play/8b3b88a8415b0f63d67466ce0ba2f900
Apparatus
Track with Launcher
Ball
