How do you find the component form of v given its magnitude 7/2 and the angle it makes with the positive x-axis is $theta=150^circ$ ?

Question

40750 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-07-14T11:40:20

Component form of $v$ is $(-3.03, 1.75)$

$r=7/2=3.5 , theta= 150^0$

Component form of $v$ along $x$ axis is $r cos theta = 3.5 cos 150 ~~ - 3.03 (2dp)$ and

Component form of $v$ along $y$ axis is $r cos theta = 3.5 sin 150 =1.75$ and

Component form of $v$ is $(-3.03, 1.75)$ [Ans]

How do you find the component form of v given its magnitude 7/2 and the angle it makes with the positive x-axis is theta=150^circtheta=150^circ?