38. (a) The force at the equilibrium position r= reqis 137eqeqeq12600dUABFrrdrrr=−=¡−+==which leads to the result rABABeq=FHGIKJ=FHGIKJ21121616..(b) This defines a minimum in the potential energy curve (as can be verified either by a graph or by taking another derivative and verifying that it is concave upward at this
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.