anonymous
  • anonymous
what angle between two vectors would give the maximum cross product?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
By maximum cross product, you mean the maximum magnitude of a cross product?
anonymous
  • anonymous
yes
anonymous
  • anonymous
it should be 90 degrees

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across
  • across
\[|\vec{A}\times \vec{B}|=|\vec{A}||\vec{B}|\sin\theta.\]You be the judge.
anonymous
  • anonymous
it should be 90 degrees
anonymous
  • anonymous
that's a dot product. I need the cross product
across
  • across
That's not a dot product.
anonymous
  • anonymous
yeah :))
anonymous
  • anonymous
how does that give a vector?
across
  • across
I'm taking its magnitude...
anonymous
  • anonymous
but the magnitude of the cross product changes with the direction as well as the magnitude, no?
across
  • across
The direction of a vector does not affect its magnitude.
anonymous
  • anonymous
oh. thanks i thought it did
across
  • across
A pencil will have the same length regardless of where you point with it.
anonymous
  • anonymous
|A⃗ ×B⃗ |=|A⃗ ||B⃗ |sinθ now we know that the maximum value of sin theta is 1 and that will only happen if theta is equal to 90 degrees.
across
  • across
Or a multiple thereof.
anonymous
  • anonymous
yep
anonymous
  • anonymous
ok thank you both

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