Problem 3-9
Find the magnitude and direction of the sum of
the
vectors A + B + C using the component
technique. Assume
two significant digits.
A = 20 km north, B = 30 km east, C
= 50 km 55° west of north.
This is certainly permissible but is
counter-intuitive
for people living in the northern hemisphere. We usually think of
N->y
and E is to the right, i.e., x.
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