Cross word

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Across
  1. 3. a quantity or aggregate of matter usually of considerable size
  2. 4. a closed loop through which charges can continuously move
  3. 6. on earth's surface is 9.8m/s
  4. 9. identical to the nucleus of a normal
  5. 12. is a decrease in speed as the body moves away from the starting point
  6. 15. its formula is p=mw
  7. 16. The capacity or power to do work
  8. 17. has vibrating particles
  9. 20. electromagnetic radiation that can be detected by the human eye
  10. 21. pleasing to the ear
  11. 22. The push and pull objects acts upon
  12. 23. the act or process of moving faster
  13. 24. has one path only and are connected end-to-end
Down
  1. 1. the spreading of waves around obstacles
  2. 2. its formula is v=d/t
  3. 5. its formula is d=vt+1/2at^2
  4. 7. general quantity or size
  5. 8. is the spatial period of a periodic wave
  6. 10. its formula is p=w/Delta t
  7. 11. it forms energy that an object or a particle has by reason of its motion
  8. 13. the maximum displacement
  9. 14. is the branch of the movement that deals with the movement of objects
  10. 18. first law of Newton's
  11. 19. has multiple paths
  12. 22. What is the force that prevents two solid objects from slipping or rolling over one another?