Could someone help me with this, thanks in advance: A man can row a boat at the rate of 5.0km/hr in still water. He points the boat directly across a river which flows at the rate of 5km/hr. a) Find the boat's final speed b) Find the boat's final velocity I don't know where to start. Do I use a formula to figure out t then another formula to figure out a and then so on? If you can do this, i would appreciate it if you can explain your reasonings, thanks.