If Emily walks 5 blocks east, 2 blocks north, 3 blocks west, and then 2 blocks south in an hour then Her average velocity would be 2 blocks/hour toward East
What is displacement?
An object's position changes if it moves in relation to a reference frame, such as when a passenger moves to the back of an airplane or a professor moves to the right in relation to a whiteboard. Displacement describes this shift in location.
As given in the problem Emily walks 5 blocks east, 2 blocks north, 3 blocks west, and then 2 blocks south, then her final displacement would be 2 blocks toward the east direction
average velocity = displacement /time
average velocity = 2 blocks/hour
Thus, her average velocity would be 2 blocks/hour toward East
Learn more about the displacement here
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