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the equation of mass connected to a spring is given by w^2=k/m and d^2x/d^2t = -w^2...

the equation of mass connected to a spring is given by w^2=k/m and d^2x/d^2t = -w^2 x
m= 0.2 kg k=5
x(0)=-0.05
x(0.628)=0.05
with step 0.157

by using FORWARD finite difference method solve this ODE
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