Question Detail
Question
The position vs. time graph of a moving object is shown below. What is the average speed from 0 s to 4 s?
Correct Answer
Option B is the correct answer.
Detailed Explanation
From graph, at t=0, position ≈ 0; at t=4, position ≈ 8 m. Average speed = 8/4 = 2 m/s.
Hint
Average speed = total distance / total time.