On a graph that shows position on the vertical axis and time on the horizontal axis,a straight line with a negative slope represents
A)a constant positive acceleration.
B)a constant negative acceleration.
C)zero velocity.
D)a constant positive velocity.
E)a constant negative velocity.

Question

Quizplus · Accepted Answer

A straight line with a negative slope on a distance-time graph represents a constant velocity in the negative direction, which is acceleration in the negative direction. Thus, the best choice is E, which represents a constant negative velocity.

On a Graph That Shows Position on the Vertical Axis