The potential energy of a particle in a field has the form U=ar2−br,where a and b are positive numbers, r is the distance from the centre of the field. Find the maximum possible value of the attractive force.
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The potential energy of a particle in a field has the form U=ar2−br,where a and b are positive numbers, r is the distance from the centre of the field. Find the maximum possible value of the attractive force.
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