anonymous
  • anonymous
I have seen an answer of vector unit in my book, but sumthing i don understand about it. the situation is sumthing like this: AB = (2i + 2J)/(8^0.5) but y the answer symplify the answer to AB = (i+j)/(2^0.5) the magnitude is different in this 2 answer right?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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experimentX
  • experimentX
(2i/(8^0.5) + 2J/(8^0.5)) 8^0.5 = 2sqrt(2) so you have i/sqrt(2)+j/sqrt(2)
anonymous
  • anonymous
i know how to simplyfy it, but isn't different magnitude mean different vector?
experimentX
  • experimentX
for magnitue ( (1/sqrt(2))^2 + (1/sqrt(2))^2)^(1/2) = 1

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experimentX
  • experimentX
yeah .. but the magnitude is same for these two vectors
anonymous
  • anonymous
oh i get, miss-concept a bit
experimentX
  • experimentX
on simplification ... magnitude of vector does not change

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