www.kettering.edu/~drussel/bats-new/batvibers.html

www.physics.usyd.edu.au/~cross/baseball.html

R. Cross, “The sweet spot of a baseball bat,” American Journal of Physics. 66, 772-779 (1998).

H. Brody, “Models of baseball bats,” American Journal of Physics. 58, 756-758 (1998).

http://www.decatursports.com/articles/base/physics.htm

Introduction

Vibration

Equations

Collision