Capacitance and resistance question

[coffeem]

Homework Statement

[PLAIN]http://img806.imageshack.us/img806/2373/compquesti.jpg

The Attempt at a Solution

dont know where to start... i know i have to use complex numbers... advice needed please!

 

[zhermes]

You should start by reading the applicable chapters and then presenting specific questions, issues, problems or attempts here.

 

[coffeem]

You should start by reading the applicable chapters and then presenting specific questions, issues, problems or attempts here.

Well - the problem is from a maths exam. And I have two maths books in front of me. Neither of them have anything like this in them. If you know can you please give me some idea of what i need to be reading or looking for? thankyou

 

[zhermes]

try looking under AC-circuits, and RC-circuits (resistor-capacitor).
If all else fails http://en.wikipedia.org/wiki/Rc_circuit