Motion and Time

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Across
  1. 2. Basic unit of time
  2. 5. The to and fro motion of a simple pendulum
  3. 7. The distance per unit time
  4. 9. The instrument used in vehicles for measuring the distance
Down
  1. 1. Time taken by simple pendulum to complete one oscillation
  2. 3. One billionth of a second
  3. 4. the metallic ball in the simple pendulum
  4. 6. The instrument used in vehicles for measuring the speed
  5. 8. pictorial representation of data
  6. 10. Days, months and years are units of