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6. charge=

  • time/current
  • time2x current
  • current x time
  • current/time

7. density =

  • mass/volume
  • mass x volume
  • volume/ mass

8. acceleration=

  • change in velocity/time
  • time x change in velocity
  • velocity x time

9. force=

  • mass / acceleration
  • mass2 x acceleration
  • mass x acceleration
  • acceleration / mass

10. weight=

  • gravity x force
  • mass x gravity
  • force/gravity
  • gravity/mass

11. Power=

  • resistance x current
  • current/voltage
  • voltage x current
  • voltage/current

12. gravitational potential energy =

  • gravity x pressure
  • mass x gravity x height
  • 0.5 x mass x gravity

13. power=

  • current/resistance
  • current x resistance
  • current2 x resistance
  • resistance / current

14. change in momentum=

  • force x time
  • time/force
  • change in time / force

15. momentum=

  • mass/velocity
  • mass x velocity
  • velocity/mass

16. wavespeed=

  • frequency x wavelength
  • wavelength/frequency
  • frequency2 x wavelength

17. voltage=

  • current x resistance
  • power/current
  • resistance/current
  • current x power