Solve part B, C AM --Due Date: 9/4/2015 11:59:00 PM End : 12/20/2015 11:59:00 PM

Question

Solve part B, C AM --Due Date: 9/4/2015 11:59:00 PM End : 12/20/2015 11:59:00 PM (10%) Problem 10: Youare given a vector A-1851 and an unknown vector B that is perpendicular to A. The cross product of these two vectors is A ×B-68k. us 33% Part (a) 33% Part (b) what is the x-component of the vector B? what is the y-component of the vector B? 33% Part (c) What can you say about the z-component of the vector B? IS pleted pleted pleted al pleted pleted O It must be positive. OIt must be zero. It must be negative It could be positive, negative, or zero. Grade Sum Potential Submission Attempts ros Sper at Submit Hint Feedback: 5s deduction per feedback Hints: 2 deduction per hint. Hints remaining: -

Explanation / Answer

A = 18.5 i^

B = ?

Given that A x B = 68 k^

18.5 i^ x B = 68 k^

so B = 3.7 j^

So Y-component = By = 3.7 j^

since the vector B is along y-direction , X-component of B will be 0

Bx = 0

Bz = 0   since B is directed along Y-direction only

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