3) You walk 4 km north, 6 km west,4 km east, and then 8 km south. What is your displacement? (Give BOTH the magnitude and the direction for your resultant vector.) 1
4) A boat with a constant velocity of 20 km/hr east crosses a river that runs north and south that is 15 km wide. The river has a constant current of 10 km/hr south.
What is the resulting velocity of the boat? 2
Attachments
70584.html