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physics.pop-ph2015★ 1 cited
Methods for Accurate Free Flight Measurement of Drag Coefficients
Elya Courtney, Amy Courtney, Michael Courtney
This paper describes experimental methods for free flight measurement of drag coefficients to an accuracy of approximately 1%. There are two main methods of determining free flight…
physics.pop-ph2011
An Acoustic Demonstration of Galileo's Law of Falling Bodies
Michael Courtney, Elya R. Courtney
An acoustic method is presented for analyzing the time of falling motion. A ball is dropped from a measured height. The dropping device makes a distinct sound a well-determined tim…