a displacement vector r has a magnitude of 25 m and make an angle of 210 with the x-axis - Physics - Motion In A Plane

Question

a displacement vector r has a magnitude of 25 m and make an angle
of 210° with the x-axis what is its y-component? (i cap and j
cap are unit vectors along x and y axes )
{urgently} expert answer only

Vaibhav T. · Accepted Answer

Dear Student,

<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/ck-files/ck_57206beb46899%20png"
style="width: 255px; height: 147px;">
OA is the displacement vector
 The angle with the horizontal axis is, 210°-180°=30°, which is in third quadrant
y-component=-25 sin30°y-component=-25×12=-12
5 mNote that each component is pointing along the negative coordinate direction and thus we must take it as negative

a displacement vector r has a magnitude of 25 m and make an angle of 210° with the x-axis. what is its y-component? (i cap and j cap are unit vectors along x and y axes.) {urgently} expert answer only

a displacement vector r has a magnitude of 25 m and make an angle of 210° with the x-axis. what is its y-component? (i cap and j cap are unit vectors along x and y axes.)
{urgently} expert answer only