C5 PBL: Doppler effect support
I've never played angry birds but know it's something to do with throwing birds, I guess that's what makes them angry. We are not going to throw the birds but we'll release them one at a time from a moving truck, this will make them a bit cross but not exactly angry. The birds in question can fly at 5 ms-1 in still air. They are released one at a time from a truck travelling due North along a straight road at 2ms-1 ....