physics

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Across
  1. 4. The amount of time that passes between the beginning and the end of an event
  2. 6. how things only have importance in relation to other thing
  3. 8. the measure of how much distance an object travels in a specified amount of time
  4. 9. fall the falling of an object without resistance under the influence of earth's gravity
Down
  1. 1. The speed of an object at a particular moment in time
  2. 2. A vector quantity that is the time derivative of velocity
  3. 3. The average of how much distance an object travels in a specified amount of time
  4. 5. how much a certain quantity changes with respect to another quantity that is also changing
  5. 7. a measure of how much an objects position changes in a specified amount of time