anonymous
  • anonymous
hi!does someone know what is a scalar projection of a vector?
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  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
The vector projection of vector A onto vector B is the vector amount of A that lies in the direction of B. Decompose A into components parallel to and perpendicular to vector B. The magnitude of the parallel component times a unit vector in B's direction is the vector projection of A onto B. You can find the magnitude of the projection by taking the scalar or "dot" product of A and B: equal to the product of the magnitudes of the two vectors times the cosine of the angle between them.
anonymous
  • anonymous
thanks, but I wanted to know what is a scalar projection...
anonymous
  • anonymous
its just the magnitude of the vector projection

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anonymous
  • anonymous
... just don't multiply it by the unit vector
anonymous
  • anonymous
you can use dot products, because the result is scalar product.

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