Physics Is Relative

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Across
  1. 4. Force per unit area
  2. 6. Light of a single frequency.
  3. 8. The electrical work done by a source in moving a unit charge around a complete circuit.
  4. 9. An increase in the observed wavelength of electromagnetic radiation emitted from receding stars and galaxies
  5. 10. The splitting of a heavy atomic nucleus into smaller nuclei.
Down
  1. 1. Force per unit extension
  2. 2. a unit of energy equivalent to Energy transferred in one hour at a rate of transfer of 1kW.
  3. 3. A region in which an electric charge experiences a force.
  4. 5. The product of mass and velocity
  5. 7. Sound with a frequency higher than 20 000 Hz