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A runner runs 10 m from the origintoward the WEST to point A. He then runs from point A 20 m more toward the WEST to point B. He then runs from point B 30 mmore toward the EAST to point C. The runner's total displacement from the origin to point isMultiple Choice

Sagot :

Let us sketch a diagram to better understand the problem.

A runner runs 10 m from the origin toward the WEST to point A.

He then runs from point A 20 m more toward the WEST to point B.

He then runs from point B 30 m more toward the EAST to point C.

So, now we have to reverse the direction and run 30 m

The distance from the origin to the point B was 20m + 10m = 30m

Then he reversed the direction and covered a distance of 30m

So, 30m - 30m = 0m

Therefore, the runner's total displacement from the origin to point C is 0 m

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