patulong po, thank uu!!

Which of the following directions of a vector has a positive x-component and a negative y-component?
A. 15°
B. 275°
C. 45° north of west
D. 70° west of south

Which of the following values is the x-component of 30 km, 15° north of west?
A. 29 km
B. -8 km
C. 8 km
D. -29 km

Which of the following values is the y-component of 50 N, ‒40°?
A. -32 N
B. 38 N
C. -38 N
D. 32 N

What is the correct direction of a vector, given the same x- and y-components from the previous item (x = -78.0 m, y = 65.0 m), when measured from the +x-axis?
A. 140°
B. 220°
C. –40°
D. –50°

A displacement vector has an x-component of –12 km and a y-component of –15 km. What is the correct magnitude and direction of the vector?
A. 5 km, 219°
B. 19 km, 51°
C. 19 km, 231°
D. 5 km, 39° ​