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Question 16
Easy

Which row in the table correctly identifies the separation distance r r\,r at which the force is zero (transitioning between repulsive and attractive), and the approximate distance beyond which the force is negligible?

Transition separation (F=0F = 0F=0): 0.5 fm0.5\text{ fm}0.5 fm, Distance where force becomes negligible: 3.0 fm3.0\text{ fm}3.0 fm

Transition separation (F=0F = 0F=0): 1.0 fm1.0\text{ fm}1.0 fm, Distance where force becomes negligible: 3.0 fm3.0\text{ fm}3.0 fm

Transition separation (F=0F = 0F=0): 0.5 fm0.5\text{ fm}0.5 fm, Distance where force becomes negligible: 0.5 fm0.5\text{ fm}0.5 fm

Transition separation (F=0F = 0F=0): 3.0 fm3.0\text{ fm}3.0 fm, Distance where force becomes negligible: 1.0 fm1.0\text{ fm}1.0 fm

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