Q7 Q24.) Write the vector v in terms of i and j whose magnitude || v || and direction θ are given.

v=|v|(i cosθ + j sinθ)
=14(i cos225 + j sin225)
=14(-[tex] \frac{ \sqrt{2} }{2} [/tex] i + -[tex] \frac{ \sqrt{2} }{2} [/tex] j)
=(-7[tex] \sqrt{2} [/tex] i + -7[tex] \sqrt{2} [/tex] j)