2. 1D Motion / Kinematics

Which of the following best describes the shape of a position-time graph for a motorcycle that is accelerating at a constant rate?

Which of the following best represents the graph of position $x$ versus time $t$ for an object moving with constant positive velocity?

An object moves along a straight line and its position as a function of time is given by $x=3t+2$, where $x$ is in meters and $t$ is in seconds. What is the object's position at $t=2s$?

On a position-time graph, if the object is at position $1$ and the slope of the graph at that point is positive, which direction best approximates the direction of the velocity $\overrightarrow{v}$ at position $1$?

In the context of a motion map or a position-time graph, what does the $x$-axis typically represent?

In a position-time graph, what is represented on the $x$-axis?

Given the $\mathrm{position}-\mathrm{time}$ graph for car $\#2$, at which of the lettered times does the car momentarily stop?

The position-time graph for a moving box is shown below.

(a) What is the box's average velocity from 0 to 5s?
(b)What is the box's average velocity from 0 to 8s?
(c) What is the box's velocity in the interval where it's moving fastest?

Which of the following best describes the shape of a position-time graph for a toy car that is accelerating at a constant rate?

In a $\mathrm{position}$ vs. $\mathrm{time}$ graph, what physical quantity does the slope of the graph represent?

In the context of motion along a straight line, what does the slope of a $x-t$ graph represent?

At point a on a motion diagram, an object is moving with constant positive velocity. Which of the following position-time graphs could represent the object's motion at that point?

In a typical position-time graph experiment, how is the $x$-coordinate of the cart most commonly defined?

Given a position-time graph for an object moving along a straight line, which of the following methods correctly determines the object's acceleration at a specific instant?