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Write the expression of the force flj

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Reference no: EM1362440

Question 1. Plot on a single graph the Lennard-Jones potential, Uu, using the parameter sets (i) ai=2, ei=2, (ii) G2=3, 62=3, and (iii) G3=4 and 63=4. Please remember to label your axes properly.

Question 2: Plot on a single graph using the parameters G2=3, 62=3: (i) the corresponding Lennard­Jones potential Uu, (ii) the repulsive term of this Uu potential (iii), the attractive term of Uu, and (iii) the derivative of the same Lennard-Jones potential function with respect to r,              dULi(r) /dr

Please remember to label your axes properly.

Question 3:

(i) Write the expression of the force flj corresponding to the Uu potential energy term.

(ii)  Derive the expression of the distance rmin at which Uu has its minimum value, as a function of the parameters a and/or E.

(iii)  What is the value of PLI(rmin) ?


 

 

 

 

 

 

Reference no: EM1362440

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