1. The potential energy of a two-particle system is given by U(r) = -A/r, where A...

 

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1. The potential energy of a two-particle system is given by U(r) = -A/r, where A is a constant. a) Find the radial force each particle exerts on the other. b) Is the force positive or negative? c) Is the force attractive or repulsive? 1. The potential energy of a two-particle system is given by U(r) = -A/r, where A is a constant. a) Find the radial force each particle exerts on the other. b) Is the force positive or negative? c) Is the force attractive or repulsive?