Physics

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Across
  1. 3. of velocity/acceleration
  2. 4. of motion/speed
  3. 5. part of an element/atoms
  4. 7. charged particle/protons
  5. 8. energy/potential
Down
  1. 1. charge particles/electrons
  2. 2. of force
  3. 6. of power
  4. 9. of motion/kinetic