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Estimating projectile perpendicular impact velocity on metal sheet targets from the shape of the target hole

Tsadok Tsach1, Eliezer Landau, Yaron Shor

  • 1Toolmarks and Materials Laboratory, DIFS, Israel Police Headquarters, Jerusalem 91906, Israel. simanim@police.gov.il

Journal of Forensic Sciences
|January 6, 2009
PubMed

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The theory of projectile motion is very useful for players of several sports to improve their performance. For example, a javelin thrower needs to throw their javelin in such a way that it travels as far as possible. The javelin thrower takes a short run-up to increase the initial speed of the javelin. The range of a projectile is at its maximum at a 45° angle so javelin throwers try to angle their throw as close to 45° as possible.
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