Physics Vocab

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Across
  1. 4. the speed of the object at any given moment of time
  2. 6. the difference between the ending time and beginning time
  3. 8. quantity that designates how fast and in what direction a point is moving
  4. 9. When a body moves exclusively under the influence of the Earth's gravity
Down
  1. 1. The rate of change of position of an object in any direction
  2. 2. how much a certain quantity changes with respect to another quantity that is also changing
  3. 3. the total distance traveled by the object divided by the elapsed time to cover that distance.
  4. 5. motion that is observed from one reference frame or to some other system which constitutes a frame of reference
  5. 7. 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.