act15ans - Do NOT write on these sheets or take them with...

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Do NOT write on these sheets or take them with you! The next class needs them too! PHYS-1200 PHYSICS II SPRING 2006 Class 15 Activity: Interference of waves and standing waves SOLUTIONS Superposition of Waves – Qualitatively Open the Maple file “pulses.mws”. A link to the file can be found at the Physics II website, under “Class activities”. Position the cursor on the first command, “restart”, and execute it by hitting “enter”. Execute the next seven commands by hitting “enter” seven more times. The program should draw a graph of two positive pulses. Animate the figure by right clicking on it and selecting “Animate” and then “play”. The pulses should move toward each other, and through each other. 1. When the two pulses completely overlap, how does the shape of the new pulse compare to the shape of the two component pulses? It has the same shape as the component pulses, but it is bigger. 2. The two pulses in the program combine by superposition. You have used the idea of superposition several times before in your study of physics. For example, you discussed superposition of forces and superposition of fields. How are these two situations like the
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act15ans - Do NOT write on these sheets or take them with...

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