Vectors (2) Flashcards
How is the magnitude of vector a written?
|a|
|a|
How is the magnitude of vector a written?
What is the unit vector?
The direction of vector a
a = a/|a|
The direction of vector a
a = a/|a|
What is the unit vector?
A vector with magnitude r and direction pheta can be written as?
r cos pheta i + r sin pheta j
r cos pheta i + r sin pheta j
A vector with magnitude r and direction pheta can be written as?
What is the magnitude of vector xi + yj
r = ¬(x^2 + y^2)
r = ¬(x^2 + y^2)
What is the magnitude of vector xi + yj
What is the angle of vector xi + yj?
pheta = tan^-1(y/x)
pheta = tan^-1(y/x)
What is the angle of vector xi + yj?
How to find angle between two vectors?
Use the cosine rule
Use the cosine rule
How to find angle between two vectors?
How to find distance between two points in 3d vectors?
¬((x1-x2)^2 + (y1-y2)^2 + (z1-z2)^2)
¬((x1-x2)^2 + (y1-y2)^2 + (z1-z2)^2)
How to find distance between two points in 3d vectors?
