December 11, 2015 at 09:39AM

Given 1 car position and both ramp angles, find 2nd pos so carts hit end at same time. We do it as a quiz. #teach180 https://t.co/ysQxyu9YRE http://twitter.com/rutherfordcasey/status/675339089969721344
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December 10, 2015 at 08:34AM

Modified Atwood with friction and direct measurement of Ft today. #teach180 https://t.co/rHQBoUMse3 http://twitter.com/rutherfordcasey/status/674960349548773376

December 03, 2015 at 10:41AM

Fun Newton’s third problem, three boxes accelerating from a push on a frictionless floor. #teach180 https://t.co/LjSokVZ095 http://twitter.com/rutherfordcasey/status/672455694084255744

December 01, 2015 at 09:16AM

Goalless problem solving: “Find all the things!” #teach180 https://t.co/lmdndSmZhb http://twitter.com/rutherfordcasey/status/671709411711148033