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6 Cards in this Set

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  • Back
Motion
The state in which one object's distance from another is changing.
Reference Point
A place or object used for comparison to determine if an object is in motion.
International System of Units
A system of measurement based on multiples of ten and on established measures of mass, length, and time.
meter
The basic SI unit of length.
speed
the distance the object travels per unit of time.
velocity
speed in a given direction`