Penny and Feather

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PIRA Classification: 1C20.10

Description: A tube containing a feather and penny is tipped upside down resulting in the penny falling faster than the feather. The tube is then evacuated. The tube is tipped again to show both objects fall at the same rate.

Special Instructions: Allow tube to pump down for about 30 seconds.

Ideally For: Phys 1001, 1101, 1201, 1301, 1401, Ast 1001

Condition: Ok. Penny cannot be seen from afar. Need to listen for penny to hit opposite end of tube.

Setup time: 5 minutes