physics

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Across
  1. 3. - repetitive motion or vibration
  2. 9. in velocity
  3. 10. mass divided by volume
Down
  1. 1. - has magnitude and direction
  2. 2. display shows numbers and is often precise
  3. 4. - display has hands and is often not very precise
  4. 5. y2 -y1 divided by x2-x1
  5. 6. distance divided by time
  6. 7. - a mass(usually lead) hanging from a string to define
  7. 8. - has magnitude but no direction
  8. 9. vertical line.