A boat leaves a marina and sails 2.0 km [S], then 2.0 km [E], then 2.0 km
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Question:
A boat leaves a marina and sails 2.0 km [S], then 2.0 km [E], then 2.0 km [N], and finally 2.0 km [W], taking a total time of 2.0 h for the trip. What is the magnitude of the average velocity of the boat?
a. 8.0 km/h
b. 4.0 km/h
c. 2.0 km/h
d. 0 km/h
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