An economical version of a classic device! It demonstrates that all objects experience the same gravitational acceleration and fall at the same speed in a vacuum, but in air the air resistance slows down some objects more than others. Features a disc and a feather in a tough, clear, plastic tube, 90cm long and 4.5cm diameter, with rubber end caps and hose cock for connection to any standard vacuum pump (not included). Includes activity guide.
Shipping weight: 1.6 Lbs., Dimensions: 40" x 3" x 3".
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
View Activity Guide Preview
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