One Dimensional Motion Graphs

The displacement, x, of an object moving along the x-axis is shown above as a function of time, t. The acceleration of this object must be...

• zero

• constant but not zero

• increasing

• decreasing

Which of the following pairs of graphs shows the distance traveled versus time and the speed versus time for an object uniformly accelerated from rest?

• 
• 
• 
• 
• 

A child left her home and started walking at a constant velocity. After a time she stopped for a while and then continued on with a velocity greater than she originally had. All of a sudden she turned around and walked very quickly back home. Which of the following graphs best represents the distance versus time graph for her walk?

• 
• 
• 
• 
• 

The position vs. time graph for an object moving in a straight line is shown below. What is the instantaneous velocity at t = 2 s?

• – 2 m/s

• 0 m/s

• 2 m/s

• 4 m/s

Given the graph of the velocity vs. time of a duck flying due south for the winter. At what point did the duck stop its forward motion?

• A

• B

• C

• D

• none of these points

What would be the acceleration of the clown at 5 s?

• 1.6 m/s2

• 8.0 m/s2

• 2.0 m/s2

• none of the above

Which of the following graphs could correctly represent the motion of an object moving with a constant speed in a straight line?

• Graph I only

• Graphs II and V only

• Graph II only

• Graphs I and IV only

• All of the above graphs represent constant velocity

The graph above is a plot of position versus time. For which labeled region is the velocity positive and the acceleration negative?

• A

• B

• C

• D

• E

Which of the following sets of graphs might be the corresponding graphs of Position, Velocity, and Acceleration vs. Time for a moving particle?

• 
• 
• 
• 
• 

The graph shows velocity as a function of time for a car. What was the acceleration at time t = 90 seconds?

• 0.22 m/s2

• 0.33 m/s2

• 1.0 m/s2

• 9.8 m/s2

• 30 m/s2