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Speed

the ratio of the distance per unit of time

acceleration

a=v¹= dx/dt

velocity

The rate at which distance is changing with time.

vector quantity

magnitude and direction

scalar quantity

magnitude only

speed formula

speed equals distance divided by time

acceleration formula

acceleration= change in velocity/change in time

meters/second/second

units for acceleration

meters/second

units for speed

x-axis

The horizontal axis on a coordinate plane.

y-axis

The vertical axis on a coordinate plane.

Distance

the length of a path between two points

Displacement

Fluid being pushed back out of the way by an object and talking its place.

linear graph

displayed data is in the form of a straight line

non-linear graph

a curve connects data points that are plotted