Forest PHYS100 Chapt2

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Chapt 2 Motion

Newton's Principia published in 1687 ( in latin and then 1726 in english).


Average speed

Average speed [math](s)[/math] is the ratio of the DISTANCE [math](d)[/math] you have traveled divided by the time [math](t)[/math] it took you to travel that distance.

[math]\mbox{Average Speed} = \frac{\mbox{Distance traveled}}{\mbox{Time traveled}}[/math]

We can write a formula to express the definition of speed using the above abreviations for speed, distance, and time

[math]\bar s = \frac{d}{t}[/math]

Instantaneous speed

Speed at a given instant in time.

Velocity

Acceleration

Graphing Motion

Forest_PHY100