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4 votes
A vector of length 8 parallel to vector v give an exact answer.

1 Answer

4 votes

(8v)/(||v||)

The vector v is not given, so we can only express the answer in terms of a generic vector. The vector v/||v|| is a unit vector in the direction of v. The one you want is 8 times that.
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User Anders Stensaas
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