Question

2. A block mass of 2 Kg attached with a spring of spring constant 3500 N/m as shown in the Figure below. The amplitude or maximum displacement x max is 8m. Calculate a) Potential energy at x = -A,X = 0 and x = +A. b) Plot all three values on the first figure below and connect them. c) Kinetic energy at x = -A,X = 0 and x = +A d) Plot all three values on the first figure below and connect them. e) total energy at x = -A,X = 0 and x = +A 1) Plot all three values on the first figure below and connect them oo Equilibrium Position

Answer 1

ma a K KE = mv k = 3 50D Nm at x-A V O A a8 m KE 20 A2 at ao Kz-A х @x8 KE = 112000J U 12000J at 12+A KE O d) Ux 35oDx8xa U = \\2000 J ь) +A -A A TE = UtK E () (e TE = TE 2000 0 = \\2000J TEs O tll2000 J 212000 J TE = I1200u to = 112000 J