**Goal:** Interrelate representations of kinematical quantities

**Source:** CT151.2-8

An object’s motion is described by the graph above. The position of the

object at t = 9 seconds is most nearly…

- 0 meters
- 200 meters
- 300 meters
- 400 meters
- 500 meters
- Cannot be determined

## Commentary:

## Answer

(6) This problem is primarily to determine if students appreciate the

information available from a graph. Many students will determine the

displacement forgetting that the initial position is unknown.