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ICP Vocab. 11.1 & 11.2/1

AB
frame of referenceused to describe the motion of an object relative to these reference points
distancehow far an object moves
displacementdistance measures how far an object moves along a path
vectormeasurements that have both magnitude (an amount) and direction
resultant vectorthe sum of all the vectors in a system
speedhow fast an object moves
average speeddistance divided by time
instantaneous speedspeed measured in an infinitely (very) small time interval



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