-40
40
40 or -40
None of these
The angle between the vectors
π/2
π/4
π/3
0
If two vectors be such that , then the angle between them is
Which of the following is not an example of a vector?
Displacement
Momentum
Mass
Angular Velocity
The vectors
Coincident
Parallel
Perpendicular
Neither parallel nor perpendicular
1
-1
3
Vectors (p,q) and (5, 1) are parallel if
p + q = 5
pq = 5
p = 5q
q = 5p
The vector is
A null vector
Perpendicular to both
Perpendicular to