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Aug 24th, 2016
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  1. v = (5 - 0; 4 - 0) = (5; 4).
  2.  
  3. v_0 = v / |v| = v / sqrt(5 ^ 2 + 4 ^ 2) = (5; 4) / sqrt(41)
  4.  
  5. v_0 * d = (5 * d /  sqrt(41); 4 * d / sqrt(41))
  6.  
  7. х2 = х1 / k
  8. у2 = у1 / k
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