A capacitor with C $=0\mathrm{.}01$ F and a resistor with resistance R$=8$ are connected in series: $$

$5$a$.$ Give a formula for the total impedance of the circuit. $$

$5$b$.$ The voltage supply provides a voltage: $()=50$ cos$(300)$ b$.$ What is the voltage phasor? $($Write it in complex notation$)$

$5$c$.$ What is the current phasor? $($Write it in complex notation$)$

$5$d$.$ What is the average power supplied by the voltage source?