Physics esp quiz

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Across
  1. 4. This happens when two objects collide or touch eachother
  2. 7. Water does this at 100°C
  3. 8. The charge of a proton
  4. 9. The side of the right triangle which is not with a right angle
  5. 12. A triangle with two equal sides
  6. 14. Its formula is 2rπ
  7. 15. 2 radii
  8. 16. +
Down
  1. 1. The opposite of positive
  2. 2. Intersection of medians
  3. 3. This variable never changes
  4. 5. This is measured in grams
  5. 6. The side of the right angle which is perpendicular to another one of it
  6. 10. The intersection of the altitudes
  7. 11. shifting an object in space or on a plane
  8. 13. Unlike velocity speed doesn't contain ______