Question

Use the position-time graphs for object C and object D to answer the question.

The vertical axis is labeled position (m) with values 25 and 32 near the top. The horizontal axis is labeled time (s) and ranges from 0 to 6 in increments of 1. The graph for object C is a concave up graph that slopes upward to the point (6, 32). The graph for object D is a dashed line that slopes upward from the origin to point (6, 25), intersecting the curve for object C.

Does either object have a constant velocity?

(1 point)
Responses

Only object C has a constant velocity.
Only object C has a constant velocity.

Neither object has a constant velocity.
Neither object has a constant velocity.

Both objects have a constant velocity.
Both objects have a constant velocity.

Only object D has a constant velocity.
Only object D has a constant velocity.
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page 11 of 11

Answer 1

To determine whether either object has a constant velocity, we need to examine their position-time graphs.

- **Object C** has a concave up graph, indicating that its slope (which represents velocity) is changing over time. Therefore, the velocity is not constant.

- **Object D** is represented by a straight dashed line, which means the slope of this line is consistent throughout its length. This indicates that object D has a constant velocity.

Based on this analysis, the correct response is:

**Only object D has a constant velocity.**