|MadSci Network: Physics|
"Dennis the Menace" slingshots at the junkyard decades ago demonstrated one immutable truth-- Marbles break upon impact as did the target Coke bottle. Steel ball bearings never left so much as a mark. We used a wide range of velocities AND narrowing (dangerous!!) distances to the target. The results were predictable and consistantly repeatable. Some guys had big double band slings, some had store bought "toy" jobs, some had surgical tubing and a long draw. Wide range-variables;same outcome! (?)THNX
Re: Resubmitted: Marble breaks Coke bottle; steel bearings-never...(?)
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