In the circuit of Fig. 8.96, when switch A opens, switch B closes, and vice versa. Switch...

In the circuit of Fig. 8.96, when switch A opens, switch B closes, and vice versa. Switch A is initially open, while switch B is initially closed; they change positions every 400 ms. Determine the energy in the capacitor at t equal to (a) 0−; (b) 0+; (c) 200 ms; (d) 400− ms; (e) 400+ ms;(f) 700 ms.