hi there, i have no idea what to do how to solve these question. will someone please help me. its urgent. plz help. thank u

Question (1)
a) a boat's speed through still water is 2(meters per second). It heads due east across a river. The river runs north to south and is 20m wide. if the river flows south at 1(meter per second), how far dowm stream does the boat reach the other shore?

b) In which direction should the boat aim in order to get straight across in the shortest possible distance?

Question (2)
a rope is used to pull a narrow boat along a canal. The rope is pulled by a horse. The tension in the rope is 600 N and the rope makes an angle of 30degrees with the canal bank. What force must be provided (by the rudder and keel) to keep the boat travelling parallel to the bank?