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OpenStudy (anonymous):
please help me, give me the answer also justify it! 1-angle between (i x j) and -(i x j) is??? a-90 b-30 c-60 (problem related to vectors) thanx!!!
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OpenStudy (vincent-lyon.fr):
I'm afraid none of the answers is correct.
OpenStudy (irishboy123):
i x j = k that's how the whole i,j,k thing is constructed, using the right hand rule convention and so -(i x j) = -k
OpenStudy (anonymous):
means the answer should be 180 degree!
OpenStudy (vincent-lyon.fr):
Yep! Isn't there a typo in your post?
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