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10-18-2010, 06:19 PM
Join Date: Nov 2007
Originally Posted by
It's for a physics-related movie that I'd like to shoot... the movie is about a hockey player who, despite his playmaking ability, is a very poor hitter and he would like to improve his physical game. He is a rather fast player and turns to a physicist to devise a plan to make him deliver bigger hits.
I know that the hardest hits have both high kinetic energy and momentum. But I have a question: how fast can a hit be? (in ft/s; I'll convert into m/s later)
First of all, this sounds like the greatest movie premise of all time. OF ALL TIME!
Second of all, there are many factors that play into the physics of a bodycheck. The most important factor to consider is whether or not the boards are in play. Checks along the boards do not hurt as much because the boards absorb some of the kinetic energy. You'll also have to consider the weight of the opposing player and the speed at which he is going. It's probably easier to assume that the two players are the same size, and that one is stationary.
The important formula for kinetic energy is (W * (S^2))/2, to calculate kinetic energy in Joules, where W = weight in kilos, and S = speed in metres/second.
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