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The potential energy of a particle in a force filed is u = 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
detailed solution
Correct option is D
For stable equilibrium dudr= 0-2 A r3+Br2 =0r =2ABTalk to our academic expert!
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A pendulum of length / = l m is released from . The rate of change of speed of the bob at is (g = 10 )
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