Solving 2. order Vibrating Spring Differential Equation using the TI89

The shown spring problem can be solved using DEQME : F2 G enter

w=9.81 (to make coeff=1)

g=9.81

b=0

k=64

F=0

Hit ENTER about 7 times , Variation of Parameter will be used to solve, then you may enter your initial conditions

x0=0

y(x0)=2/3

y'(x0)=-4/3

Voila!!

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