SAT Subject Physics Practice Question 540: Answer and Explanation
A 50 kg object slides to a stop over a period of time. Which of the graphs represents each of the described factors?
Velocity of the object
Correct Answer: C
The correct answer is (C). The object is subjected to a constant negative acceleration (it is slowing down). The velocity time graph for an object that is subjected to a constant acceleration is a linear curve, as in the graph shown in C.