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Frame by frame (solution) 3.2.1.p7 In the figure below is a set of data that were taken from videos of a rolling marble with one frame taken every 0.1 s. The marbles were always rolling from left to right. The positions of the marbles are shown against a coordinate system with distance in cm. The position of each marble at the starting time is the leftmost one on each line. No marble stops during the video so no data points are “doubles”. A Answer the questions below, by putting ALL the correct answers. (If you put extras you will lose points; and you will lose points if you miss some correct answers.) If none of the answers are correct, put N. Assume that the motions are "smooth" and there are no unusual motion taking place between the frames. 1. Which of the diagrams represent marbles that could be moving at a constant (uniform) velocity for the entire time shown? Aand B 2. Which of the diagrams represent marbles that (from the information available) have the greatest instantaneous velocity at any time during the period shown? CandD 3. Which of the diagrams represent marbles that have the smallest instantaneous velocity at any time during the period shown)? CandD 4. Which of the diagrams represent the marble or marbles that have the greatest average velocity in the first 0.5 s? A 5. Which of the diagrams represents the longest time interval? D Explain your reasoning.