If two vectors be such that , then the angle between them is
π/4
π/3
π/2
None of these
Two vectors are parallel and have same magnitude.Then
They have the same direction
They are equal
They are not equal
They may or may not be equal
0o
45o
180o
90o
0
-1
1
2
2/3
-2/3
-3/2
3/2
-40
40
40 or -40
If are position vector of A and B respectively, then the position vector of a point C in AB produced such that
Which of the following is not an example of a vector?
Displacement
Momentum
Mass
Angular Velocity