A vector F1 is along +ive x axis it's cross product with another vector is possibly equal to
A.3i+5k
B.-3(j+k)
C.2j
D.5i
ar595336:
Right option is C but don't know how
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Answer: B.
Explanation:
Since it is given along positive x axis j and I components are 0 so their cross product with another vector gives only j and I components....
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