Physics

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Across
  1. 2. are quantities that are fully described by both a magnitude and a direction
  2. 4. have a size or magnitude only and need no other information to specify them.
  3. 7. is a scalar quantity that refers to "how much ground an object has covered" during its motion.
Down
  1. 1. is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.
  2. 3. is a vector quantity that is defined as the rate at which an object changes its velocity. An object is accelerating if it is changing its velocity
  3. 5. the average of all instantaneous speeds; found simply by a distance/time ratio
  4. 6. the speed at any given instant in time.