A. The snapshots below show two pulses approaching each other on a spring. The pictures were...
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A. The snapshots below show two pulses approaching each other on a spring. The pictures were taken at equal time intervals. The pulses are on the "same side" of the spring (i.e., each displaces the spring toward the top of the page). 1. When the pulses meet, does each pulse continue to move in the direction it was originally moving, or does each reverse direction? Give evidence from the photos to support your answer. 2. When the pulses completely overlap, as shown in snapshot 5, how does the shape of the disturbance in the spring compare to the shapes of the individual pulses? 3. Describe how you could use the principle of superposition to determine the shape of the spring at any instant while the pulses "overlap." 4. Two pulses (1 and 2) approach one another as shown. The bottom diagram shows the location of pulse 1 a short time later. In the space at right, sketch the location of pulse 2 at this later time. On the same diagram, sketch the shape of the spring at this instant in time. Spring 1 2 3 4 5 10 6 ITT 7 8 A. The snapshots below show two pulses approaching each other on a spring. The pictures were taken at equal time intervals. The pulses are on the "same side" of the spring (i.e., each displaces the spring toward the top of the page). 1. When the pulses meet, does each pulse continue to move in the direction it was originally moving, or does each reverse direction? Give evidence from the photos to support your answer. 2. When the pulses completely overlap, as shown in snapshot 5, how does the shape of the disturbance in the spring compare to the shapes of the individual pulses? 3. Describe how you could use the principle of superposition to determine the shape of the spring at any instant while the pulses "overlap." 4. Two pulses (1 and 2) approach one another as shown. The bottom diagram shows the location of pulse 1 a short time later. In the space at right, sketch the location of pulse 2 at this later time. On the same diagram, sketch the shape of the spring at this instant in time. Spring 1 2 3 4 5 10 6 ITT 7 8
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