
3009SBallDropInWater
16 Dec 2018   Contributor(s):: Brian Winkel
We conduct an analysis of a falling ball in liquid to determine its terminal velocity and to ascertain just what radius ball for a given mass density is necessary to attain a designated terminal velocity.

BobbingObjectInWater
09 Sep 2017   Contributor(s):: Brian Winkel
Introduction to Second Order Linear Equations Bobbing Object in Water. 2 pp.This is a nice treatment of developing a model of a bobbing object in water from first principles with some nice additional questions which would make a nice Modeling Scenario.Keywords: buoyancy, bobbing, water,...

3006SBuoyancy
30 Jul 2016   Contributor(s):: Brian Winkel
We offer data from a physical experiment in which the depth (from equilibrium value) of a container in water is measured 20 times per second and ask students to build a model of buoyancy based on Newton's Second Law of Motion and a Free Body Diagram. We ask students to estimate the...

3030SSecondOrderIntro
22 Apr 2016   Contributor(s):: Brian Winkel