9–48 The switch in Figure P9–48 has been open for a long time.

At t = 0 the switch is closed.

(a) Find the differential equation for the capacitor voltage and initial condition vCð0Þ.

(b) Find vOðtÞ using the Laplace transformation for vSðtÞ = 100 uðtÞ V.

Transcribed Image Text:

Vs(f) 1+ 100 w 50 ww 1000 pF - 150 21 vo FIGURE P9-48