Vectors & Scalar Projection
|U|
|V|
û speed °/s
v̂ speed °/s
Dot Product
(, )
(, )
U
(, )
V
(, )
|U|,|V|
,
θ
cos(θ)
U·V = |U||V|cos(θ)
P
|P| = |V|cos(θ) = V⋅û
Q
|Q| = |U|cos(θ) = U⋅v̂
You can move the vectors with your mouse.