Motion
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Refrerence point
place or object used for comperison to determan if somethings in motion
Internatinol System of units
system of messerments
meter
SI unit of length, a little longer than a yard
speed
distance the object travels per unit of time
averege speed
not constant
instetanous speed
the rate at which an object is moving at a given time
velocity
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slope
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acceleration
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