$1)$ T$<mn>0</mn>$ calculate V$($C$)$ in capacitor

$2)$T$<mn>0</mn>$ Calculate the initial condition of the current

$3)$T$=0$ Opens what is the initial condition of Vl$(0+)$

$4)$T$=0$ Opens what is the initial condition of current

$5)$T$=0$ Opens what is the initial condition di$(0+)/$dt

$6)$T$=0$ Opens what is the initial condition dv$(0+)/$dt

$7)$T$=0$ Opens what is the value of natural frequency a

$8)$ T$=$ Opens what is the value of w

$9)$T$>0$ what is the value of voltage in capacitor Vc$($t$)$

$10)$T$>$ what is the value of current in the coil