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Level 612

Speed, Velocity & Acceleration


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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