letsweetsamil letsweetsamil
  • 15-05-2017
  • Physics
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When naming a ray does the direction of the arrow matter?

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shoopdawhoopdedo
shoopdawhoopdedo shoopdawhoopdedo
  • 15-05-2017
The first letter of the ray is the point where the ray starts at.
The second letter is where the arrow is going.
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