Vectors Flashcards
1
Q
What is a scalar?
A
Only magnitude
2
Q
What is a vector?
A
Magnitude and direction
3
Q
What is the modulus of a vector?
A
|a|
4
Q
What is the unit vector?
A
a/|a|
5
Q
What is the magnitude?
A
/a^2 + b^2
6
Q
What is the position vector?
A
i+j+k
7
Q
What is |a| equal to?
A
/x^2 + y^2+z^2
8
Q
What are the coordinates of 3D vectors?
A
(x, y, z)