The original calc was made by LordXcano here but i think Rotational energy is more appropriate for the feat.I don't know how to find the exact moment of inertia using an integral yet (possibly will learn it on this or the next term) so for now i'll use the moment of inertia of a cylinder for a decent approximation.

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Baseball bat = 1067 px = 1.1 m

Average width = 67 px = 0.069 m

014p7 gf67