Multiple Choice
Two vectors and
are given by
and
. The scalar product of
and a third vector
is −16. The scalar product of
and
is +18. The z component of
is 0. What is the magnitude of
?
A) 7.8
B) 6.4
C) 3.6
D) 5.0
E) 4.8
Correct Answer:

Verified
Correct Answer:
Verified
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