Question

A particle of mass 5 kg is subject to a conservative force whose potential energy (in joules) as a function of position (in meters) is given by the equation U(x) =-100x5e-1x [where x > 0] (a) Determine the position xo where the particle experiences stable equilibrium (b) Find the potential energy Uo of the particle at the position x 2106 The particle is displaced slightly from position x = xo and released (c) Determine the effective value of the spring constant for this potential energy function about the point x = x0. X N/m (d) Determine the period of the small-amplitude oscillations that the particle undergoes

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Answer #1

S -겨 K (12, s) = 2138 t = 1.0736 second

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Answer #2

OU) equutibrium oxT x2 ,is the stable equilibiuwm γ (c) The sprung constant is U- K--y 21.12 N/m hepeuad e small -umptlude os

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