A runner, jogging along a straight line path, starts at a position 260 m east of

Question

A runner, jogging along a straight line path, starts at a position 260 m east of a milestone marker and heads west. After a short time interval he is 120 m west of the mile marker. Consider east to be the positive x-direction. (a) What is the runner's displacement from his starting point? Incorrect: Your answer is incorrect. m in the x-direction (b) What is his displacement from the milestone? Incorrect: Your answer is incorrect. m in the x-direction (c) The runner then turns around and heads east. If at a later time the runner is 330 east of the milestone, what is his displacement from the starting point at this time? m in the x-direction (d) What is the total distance traveled from the starting point if the runner stops at the final position listed in part (c)? m

Explanation / Answer

a) -380m b)-120m c) 70m d) 830m

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