Kinematics Check (AP C)

The graph above shows the velocity v as a function of time t for an object moving in a straight line. Which of the following graphs shows the corresponding displacement x as a function of time t for the same time interval?

• 
• 
• 
• 

The graph provided is a velocity vs. time graph for thing that can move and is indeed moving. Which of the following is true about the speed of the object during the time interval from 0 to 6 s.

• It increases during the entire interval.

• It remains the same.

• It first increases and then decreases.

• It first decreases and then increases.

The graph on the right shows the velocity v as a function of time t for a thing moving in 1D motion. Which of the following graphs shows the corresponding displacement x as a function of time?

• 
• 
• 
• 

The position as a function of time for an object moving a straight line is shown in the graph. Which of the following best describes the object’s speed and direction of motion during the time internal shown?

• Speed – Increasing, Direction – Positive

• Speed – Decreasing, Direction – Positive

• Speed – Decreasing, Direction - Negative

• Speed – Increasing, Direction – Negative

Irma and Harvey start at one end of a street (the origin), run to the other end, then head back. On the way back Irma is ahead of Harvey. Which statement is correct about the distances run and the displacements from the origin?

• Irma has run a greater distance and her displacement is greater than Harvey’s.

• Harvey has run a greater distance and his displacement is greater than Irma’s.

• Irma has run a greater distance, but her displacement is less than Harvey’s.

• Harvey has run a shorter distance, and his displacement is less than Irma’s.

The position of a moose with respect to time is given by the function shown. At which time below is the speed of the moose increasing?

 $x\left(t\right)=-2t^2+8t+1$  

• t = 1 s
  

• t = 2 s
  

• t = 3 s
  

• The speed is of the moose never increases.

Jeanne moves counterclockwise at constant speed around the path shown above. The path is such that the lengths of its segments, PQ, QR, RS, and SP, are equal. Arcs QR and SP are semicircles. Which of the following best represents the magnitude of Jeanne’s acceleration as a function of time t during one trip around the path, beginning at point P?

• 
• 
• 
• 

Tags

NGSS.HS-PS2-1

Hurricane Matthew is moving in a straight line and experiences an acceleration given by a(t) = -t . At time t = 0, the storm has a velocity of 5 m/s in the positive direction and is located +10 m from the origin.Which of the following best shows a graph of position d versus time t for the storm?

• 
• 
• 
• 

Tags

NGSS.HS-PS2-1

Which of the following is impossible on a position vs. time graph?

• A horizontal line

• A parabola

• A vertical line

• A cubic function