Answer
$b \times c = 12$
Work Step by Step
We can find the magnitude of $b \times c$:
$b \times c = bc~sin~\phi$
$b \times c = (bc)~(\frac{a}{c})$
$b \times c = ba$
$b \times c = (4)(3)$
$b \times c = 12$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 3 - Vectors - Problems - Page 59: 33e
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