- #1

LagrangeEuler

- 717

- 20

[tex]\frac{d^2v_x}{dt^2}=-\omega^2v_x[/tex]

then [tex]v_x(t)=A\sin(\omega t)+B\cos(\omega t)[/tex]

Two integration constants and one initial condition for velocity. What to do? Should we put that one constant is equal to zero? So ##A=0##, ##B=v_0##?