ELEMENTS OF PHYSICS I
Physics 221

___________________________________________________

CHAPTER 3
Kinematics in two dimensions; vectors

NEW CONCEPTS

FORMULAS

Vector $\vec V$.

Components:

\begin{displaymath}V_x = V\cos\theta \quad V_y = V\sin\theta\end{displaymath}

Magnitude:

\begin{displaymath}V = \sqrt{V_x^2+V_y^2}\end{displaymath}

Direction:

\begin{displaymath}\tan\theta = {V_y\over V_x}\end{displaymath}

___________________________________________________

<- Back to home page ^ Physics Department

401 Nielsen Physics Bldg., The University of Tennessee, Knoxville, TN 37996-1200, U.S.A.