Next Motion and Motion Graphs: Mastery Test Select the correct answer. The motion of a car on a position-time graph is represented with a horizontal line. What does this Indicate ab A. It's not moving.

B. It's moving at a constant speed.

C. It's moving at a constant velocity.

D. It's speeding up.

It's not moving.

Explanation:

The motion of a car on a position-time graph is represented with a horizontal line. It indicates that the car is at rest or it is not moving. Position of an object is in y-axis and time is in x-axis. The slope of a position-time graph gives speed of an object.

Hence, the correct option is (A) "It's not moving."

they both built pyramids.

the quote by walter cronkite contributes to the central idea of the text by supporting the central idea. cronkite argues that what is deemed “right” for and in america may not be good for other countries. this supports the central idea of the text, that the vietnam war was unpopular in america for multiple reasons- including cronkite’s.