Answer Happy

A riverboat cruises at 5.0 m/s in still water. It is motoring west on a river that flows at 3.0 m/s from west to east. A passenger walking along the top deck appears to be stationary compared to an observer standing on the riverbank. What is the velocity of the passenger with respect to the deck? 8.0 m/s [W] 8.0 m/s [E] 2.0 m/s [W] 2.0 m/s [E]
A plane must fly to a destination located due north from its departure point. A gentle wind is blowing from the south-west. What direction must the plane point to reach its destination? north-west north north-east west east
Two hikers set out from the same spot and arrive at the same destination but they take different routes. Which of the following quantities must be the same for both hikers? distance average speed average velocity acceleration displacement