seidi.yamauti
An undated oscillator of mass m and natural frequency Wo moves under the action of an external force F=Fo sen(wt)! Starting from the equilibrium position with initial velocity zero. Find the deslocament x(t).
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seidi.yamauti
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*Undamped
UnkleRhaukus
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sen.?
seidi.yamauti
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Sin(wt), sorry
UnkleRhaukus
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|dw:1345809109629:dw|
UnkleRhaukus
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\[F=F_0 \sin(\omega t)\]
UnkleRhaukus
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and your looking for the displacement x(t)
?
UnkleRhaukus
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\[F=m\ddot x\]
\[x=\iint\frac Fm\text dt^2\]
seidi.yamauti
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The function x(t) that describes the positivos of the mass
UnkleRhaukus
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\[x=\frac{F_0}{m}\iint \sin(\omega t)\cdot\text dt^2\]
UnkleRhaukus
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can you see how i have arrived at the integral?
can you evaluate the integral?
seidi.yamauti
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Still not...