Friday

The energy of an object in motion increases with the square of its velocity. Or in even simpler English: when you’re hitting something, speed is more important than mass. If you double your mass, you’ll hit with twice the force. But if you double your speed, you’ll hit with four times the force, and so on. Quite handy to know when you only weigh 140 pounds.

 
(Anna Spysz)

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