Question

The potential energy of particle in a force field is
U = A/r² - B/r, where A and B are positive constants and r is
the distance of particle from the centre of the field. For
stable equilibrium, the distance of the particle is
(a) B / 2A (b) 2A / B
(c) A / B (d) B / A

Answer 1

Answer:

I thought c option is correct answer

thanks

good evening

Answer 2

Answer:

i thought c is the answer to the question