7aCDW11quiz5

7aCDW11quiz5 - P7A Quiz5a DL Sec Name(last I certify by my...

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P7A Quiz5a DL Sec ____ Name ( last ) ______________________ ( first ) ___________________ I certify by my signature that I will abide by the code of academic conduct of the University of California. Signature ________________________________________ Rubric Codes: 1. (a) The potential energy curve below describes two particles separated by a distance r. Consider each of the 3 points A, B, and C on the graph. At each point, if there is a nonzero force, draw an arrow in the direction of the force (either toward increasing or decreasing r) and make the arrow length proportional to the magnitude of the force (a stronger force would have a longer arrow). Make any differences in arrow length obvious for the grader. If the force is zero at a point, do not draw an arrow there. r Potential Energy C B A (b) Explain how you chose the largest magnitude force in part (a)? (d) Is the force at point C attractive, repulsive or zero and how do you know?
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2. Two atoms interact via the pair-wise potential shown below: -1.2 -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 0 0.2 0.4 0.6 0.8 1 1.2 1.4
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7aCDW11quiz5 - P7A Quiz5a DL Sec Name(last I certify by my...

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