Consider the two vectors A with arrow = 3 î − ĵ and B with arrow = − î − 4 ĵ.
(a) Calculate A with arrow + B with arrow
î +
ĵ
(b) Calculate A with arrow − B with arrow
î +
ĵ
(c) Calculate
A with arrow + B with arrow
(d) Calculate
A with arrow − B with arrow
(e) Calculate the directions of A with arrow + B with arrow and A with arrow − B with arrow.
A with arrow + B with arrow
° (counterclockwise from the +x axis)
A with arrow − B with arrow
° (counterclockwise from the +x axis)
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