Tag «duration»

Conceptual Understanding in Introductory Physics XXI: Deriving Expressions for Kinetic Energy

Okay this may not be the most interesting thing to think about, but it’s a question I’ve been asked on several occasions. For that reason alone, I started thinking about it. I also think it’s another situation where coordinate-free vector manipulation can simplify otherwise messy questions and problems. So, here’s the question. Give three different …

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