-FASTEST ON graphs for two objects and is asked so TME GRAPH OF TWO OBJECTSF dei

Question

-FASTEST ON graphs for two objects and is asked so TME GRAPH OF TWO OBJECTSF deide which object is moving faster. The u d What, any t correct,explain why B1-wwT28: PosmoN- TME GRAPH Or Two is shown the thing, is wrong with the student's statement? esplain the error and how to correct it. If the statement h is faster because it has the s statement? If something B1-RT29: VELOCITY-TIME GRAPHS-DISTANCE TRAVELED Velacity-sime graphs for six toy robots that are traveling along a straight hallway are shown. All graphs huve dhe same time and velocity scales. ng er A AVelocity B AVelocity Time Time Time D AVelocity E AVelocity Time Time Time Rank the distance traveled during these intervals OR All Canaot ame Explain your reasoning Copyright 2015 Pearson Education, Inc. 47

Explanation / Answer

Correct order from Greatest to Least: D > A > B = C > E = F

The distance traveled is the sum of the absolute values of the areas between the horizontal axis and the line on each graph. For graphs of motion that don’t change direction (all cases except E), the magnitude of the displacement is the same as the distance traveled. For case, E, the distance traveled is the sum of the distance traveled backward and the distance traveled forward. The absolute value of the two areas in case E is the same as the area in case F.

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