To determine The x-component of the force on the electron. Explanation Write the expression for x-component of force F = − d U d x (I) Here, U is the potential energy, F is the x-component of force and d x is the distance element. Write the given expression for potential U = 1.27 x 2 − 0.260 x 4 (II) Here, x is the position in nanometers. Substitute 1.27 x 2 − 0.260 x 4 for U in equation (I) F = − d ( ( 1.27 x 2 − 0.260 x 4 ) aJ ) d x = ( − 1.27 ( 2 x ) + 0

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Chapter 7, Problem 30E

To determine

The x-component of the force on the electron.

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Chapter 7, Problem 29E

Chapter 7, Problem 31E

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