Posted by marina on Tuesday, July 8, 2008 at 5:52pm.
2.5 times 18 is the total distance traveled.
As you ordered, I am ignoring the velocity vector and positions on the x axis (displacement). If the person spent half the time going east and half the time going west all at constant speed, the net result would be lots of distance traveled but no change in location :)
thankyou :)
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