For the vectors A 4 i 2 j 8 k and B 3 i Stephanie Redfern Saylor

Question 36 / 40: For the vectors A= 4 i + 2 j + 8 k and B = 3 i -2 j - 7 k, where i, j, and k are unit vectors in a rectangular coordinate system, perform the following task. Calculate B x A.

A -14 k + 52 j+ 4i

B -12 k - 52 j+ 2i

C 14 k - 52 j - 2i

D -14 k + 52 j- 2i

E -14 k+ 52 j + 2i

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Explanation:

This result is just the negative of A x B.

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Mechanics I ME102

Author:

Stephanie Redfern

The Saylor Foundation

USA

Access: Public Instant Grading

Attribution: Stephanie Redfern, Ranjeet (Ron) Agarwala, and Dr. Steve Gibbs. Mechanics I. The Saylor Academy 2014, http://www.saylor.org/courses/me102/

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