- #1

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But i really need help with a problem.

Well, here it is;

Find a unit vector that is parallel to the xy-plane and perpendicular to the vector 4i - 3j + k *note* there is a ^ above the ijk.

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- Thread starter Matt2k
- Start date

- #1

- 1

- 0

But i really need help with a problem.

Well, here it is;

Find a unit vector that is parallel to the xy-plane and perpendicular to the vector 4i - 3j + k *note* there is a ^ above the ijk.

- #2

Hurkyl

Staff Emeritus

Science Advisor

Gold Member

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What about for a vector to be perpendicular to 4i-3j+k?

And for a vector to be a unit vector?

- #3

BobG

Science Advisor

Homework Helper

- 185

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Whenever you take the cross product of two vectors, the result is perpendicular to both of the original vectors.

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