Crossword

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Across
  1. 2. the speed of an object in a certain direction
  2. 4. second coordinate
  3. 5. first coordinate
  4. 9. not clockwise
  5. 11. mutual influence
Down
  1. 1. incrase in speed
  2. 3. the result of a multiplication
  3. 6. the rate at which a moving object moves
  4. 7. the smallest part of an element that cannot be broken down any further and still be the same element
  5. 8. half-line
  6. 10. the center point of a circle