## anonymous 3 years ago FORCED OSCILLLATION QUIZ.

1. anonymous

The solution for Forced Harmonic motion is given by: $Q = Q_{1}e^{\left( -(R/2L)+\sqrt{(R/2L)^{2} - \omega_{o}^{2}} \right)t} + Q_{2}e^{\left( -(R/2L) - \sqrt{(R/2L)^{2}-\omega_{o}^{2}} \right)t}$ If $$Q = A \cos \theta$$ and $$\frac{ dQ }{ dt } \approx -\omega A \sin \theta t$$ at t =0, also known that $$R/L \approx 0$$ and $$\theta \approx \pi/2$$ Find the value of Q1 and Q2! Hbu???

2. anonymous

@Algebraic!

3. anonymous

i got Q1=Q2 = 1/2 A cos theta.,

4. anonymous

seems correct

5. anonymous

how to draw a graph Q vs t with quantitative data??

6. anonymous

yess its correct and to draw graph you can either draw on graph paper with neumerical value or you can use logarithmic graph paper

7. anonymous

very nice, thank u., ok i'll try..,

8. anonymous

:) :)