Breadcrumb Home 1C20.16 - Free-Fall - Drop a Ball and Paper Code Number: 1C20.16Demo Title: Free-Fall - Drop a Ball and PaperCondition: GoodPrinciple: Air ResitanceArea of Study: MechanicsReference: Bobby Mercer, "Paper Drop", Junk Drawer Physics, p. 25. 1C20.16- Dr. James Wetzel, PHYS 1611- Galileo's Hypothesis