Question 3 (25 marks) The switch in the circuit with voltage source Vs = 60 V below is opened at t=0 after a long time. Calculate the constants A1, A2, a and w in the expression of the current i (t) for t>0. i(t) = (A₁ cos wt + A2 sin wt) e-at A Vs R₁=40 t=0 мото + V(t) 0.02F i(t) R3=60 L=0.5H R2=30