Question

HELP PLEASE

Vector u has a magnitude of 4 and a direction angle of 30 degrees. Write the component form of this vector.

u=<2,3.5>

u=<2.1,29.9>

u=<3.5,2>

u=<29.9,2.1>

Answer 1

u = <3.5,2>

Explanation:

u = 4<cos(30°), sin(30°)>

= 4<√3/2, 1/2>

= <2√3, 2>

≈ <3.5, 2>