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Kinematics
the study of motion
Scalar
magnitude only
vector
magnitude (size) AND direction (±)
2 ways to tell “how far":
Distance
Displacement
Distance
total path taken (d)
scalar
Displacement
how far from start to finish (Δx)
vector
2 ways to tell “how fast”:
Speed
Velocity
Speed equation
Distance/time
scalar
Velocity equation
Displacement/time
Vector
y=mx+b to what
x=vt + x0
position = x
slope = velocity
y-int = starting position