Question

A Particle of mass 100 gm moves in a potential well given by U = 8x2 – 4x + 400 Joule. Find its acceleration at a distance of 25 cm from equilibrium in positive direction -

(A) 0

(B) 40 m/s2

(C) –40 m/s2

(D) 20 m/*

Answer 1

Correct option (C) –40 m/s2

Explanation:

At the given position x = (25 + 25) = 50 cm.