A vector in the plane has components and

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A vector in the plane has components

v_x=-8

and

v_y=6

. Its direction angle

\theta

measured anti-clockwise from the positive

x

-axis (

0^\circ\le \theta<360^\circ

) is closest to (a)

216.87^\circ

(b)

143.13^\circ

(c)

36.87^\circ

(d)

126.87^\circ