2. 1D Motion / Kinematics

Which of the following best describes the direction of the vector field $f(x,y)$ = $\frac{yi-xj}{x^2+y^2}$ at any point (x, y) in the plane?

Which of the following is not a vector quantity?

A vector has an initial point at $(2,1)$ and a terminal point at $(7,5)$. What is the component form and magnitude of this vector?

Suppose you have four vectors: $A$ points along the positive $x$-axis, $B$ points along the positive $y$-axis, $C$ points along the negative $x$-axis, and $D$ points at $45°$ above the positive $x$-axis. Which pair of vectors, when added together, will result in the largest positive $x$ component?

Which of the following best describes the sum of two velocity vectors as depicted in the figure?

If Bob walks $2$ blocks east, which of the following best describes his displacement?

Given three vectors $\overrightarrow{A}$, $\overrightarrow{B}$, and $\overrightarrow{C}$ shown in Figure 1, which of the following statements is true about their vector sum $\overrightarrow{R}$ = $\overrightarrow{A}$ + $\overrightarrow{B}$ + $\overrightarrow{C}$?

Which of the following correctly represents the vector equation for displacement in terms of initial and final position vectors?

Which of the following measurements is a vector measurement?

An object moves along a straight path and its position is marked at several points. If $\overrightarrow{a}$ represents the displacement vector from position 1 to position 2, which direction best approximates the direction of $\overrightarrow{a}$ when the object is at position 2?

Which of the following is a vector quantity?

Which statement best describes the similarity and difference between $distance$ and $displacement$?

The sum of two vectors has the greatest magnitude when the angle between these two vectors is: $\theta$

Given two vectors, $\overrightarrow{a}$ points in the +y direction and $\overrightarrow{b}$ points in the −z direction, which of the following best represents the direction of the cross product $\overrightarrow{a}\times \overrightarrow{b}$?