Find the magnitude 
and direction angle ?, to the nearest tenth of a degree, for the given vector v. v = -3i - 4j
A. 5; 233.1°
B. 5; 216.9°
C. 5; 53.1°
D. 7; 233.1°
Answer: A
Mathematics
You might also like to view...
Find the domain and range of the relation.{(11, -9), (8, 9), (-1, -3), (-1, 1)}
A. Domain = {8, 11, -1, 1}; range = {9, -9, -3, 1} B. Domain = {8, 11, -1, -11}; range = {9, -9, -3, 1} C. Domain = {8, 11, -1}; range = {9, -9, -3, 1} D. Domain = {9, -9, -3, 1}; range = {8, 11, -1}
Mathematics
Evaluate the integral.
A. 315 B. 28 C. 1260 D. 7
Mathematics
A projectile is fired with an initial speed of 700 m/s and angle of elevation 60°. Find the range of the projectile.
What will be an ideal response?
Mathematics
Write an equation for the parabola with vertex at the origin.Through (
, 7), opening upward
A. y = 7x2
B. x = y2
C. x = 
y2
D. y = x2
Mathematics