Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = 2i, v = 2j

A. 4; k
B. 4; 4k
C. 4; -k
D. 2; 2k


Answer: A

Mathematics

You might also like to view...

Name the property used to go from step to step indicated by an a), b), c), or d).

What will be an ideal response?

Mathematics

What property of multiplication is illustrated in the diagram below?

A. Closure property B. Commutative property C. Distributive property D. Associative property

Mathematics

Solve the problem.Use a tree diagram showing all possible results when four fair coins are tossed to list the ways of getting more than two tails.

A. httt, thtt, ttht, ttth, tttt B. hhtt, htht, htth, thht, thth, tthh C. hhtt, htht, htth, httt, thht, thth, thtt, tthh, ttht, ttth, tttt D. httt, thtt, ttht, ttth

Mathematics

Use reference angles to find the exact value of the expression. Do not use a calculator.tan 

A.
B.
C. 1
D. -1

Mathematics