Position, Distance, and Displacement Quick Check

Question

2 of 52 of 5 Items
Question
Kelley is playing pool and hits the cue into the nine ball, which is directly in the center of the pool table. The nine ball travels a total of 7 meters before stopping, 1 meter to the left of the initial starting point of the nine ball. Which sentence reflects the correct statement regarding distance and displacement when considering the motion of the nine ball?(1 point)
Responses

The nine ball traveled a distance of 1 meter and was displaced by 7 meters.
The nine ball traveled a distance of 1 meter and was displaced by 7 meters.

The cue ball traveled a distance of 7 meters and was displaced by 1 meter.
The cue ball traveled a distance of 7 meters and was displaced by 1 meter.

The nine ball traveled a distance of 1 meter and was displaced by 1 meter.
The nine ball traveled a distance of 1 meter and was displaced by 1 meter.

The nine ball traveled a distance of 7 meters and was displaced by 1 meter.
The nine ball traveled a distance of 7 meters and was displaced by 1 meter.
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Answer 1

The correct response is:

The nine ball traveled a distance of 7 meters and was displaced by 1 meter.

Explanation:

• The distance traveled by the nine ball is the total path it moved, which is 7 meters.
• The displacement is the straight line from the starting point to the final position, which is 1 meter to the left of the initial starting point.