a boat travels at 2.0 m s-1 east towards a port, 2.2 km away. when the boat
reaches the port, the passengers travel in a car due north for 15 minutes at 60
km h-1.
calculate:
a. the total distance travelled
b. the total displacement
c. the total time taken
d. the average speed in m s-1
e. the magnitude of the average velocity