Physics

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Across
  1. 4. path described by the projectile
  2. 7. rate of change of velocity
  3. 9. time taken for one oscillation
  4. 10. shortest distance between the two points
  5. 12. SI unit of temperature
  6. 13. object moving around a planet
  7. 16. sound with frequency > 20000 Hz
  8. 18. unwanted sound
Down
  1. 1. number of oscillations in one second
  2. 2. has both magnitude and direction
  3. 3. natural satellite of our planet earth
  4. 5. Sound Navigation and Ranging
  5. 6. product of mass and velocity
  6. 8. flow of electrons through a conductor
  7. 10. mass per unit volume
  8. 11. capacity to do work
  9. 14. one of the 7 fundamental quantities
  10. 15. reflection of sound
  11. 17. ratio of change in dimension to original dimension