Consider the two vectors a with arrow = î − 3 ĵ and b with arrow = − î − 2 ĵ.
(a) calculate a with arrow + b with arrow
î + ĵ
(b) calculate a with arrow − b with arrow
î + ĵ
(c) calculate
abs1.gif
a with arrow + b with arrow
abs1.gif
(d) calculate
abs1.gif
a with arrow − b with arrow
abs1.gif
(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)