Also, after getting the data, Tracker Video fit a function for me so that I have: The slope of the x-t graph (this is the x-velocity) The parameters of the 2 nd order polynomial that fits the y-t data ...

Physicists don't usually jump right into the most complicated version of a problem. Instead, they do a rough estimation, often called a “back of the envelope” calculation. So let's make some ...

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