a runner runs around a circular track with a circumference of 1000 meters . find the distance covered and the displacement made by the runner ?

Question

mathstudent55 · Answer

If the runner runs 1 lap, then the distance covered is 1000 meters. The displacement is 0 because he is back where he started.

anonymous · Answer

ammm, is there any solution ? 
like formulas ?

anonymous · Answer

thank you so much po for replying :)

mathstudent55 · Answer

You didn't say how many laps he runs.

anonymous · Answer

that was given by our teacher po :)

anonymous · Answer

Im gonna aswer whats your answer Mr, or Ms. :) Thank you so much , :)

mathstudent55 · Answer

Ok. If he runs 1 lap, you have the distance covered and the displacement above.
What if he runs half a lap?
Then the distance covered is half of the circumference, or 500 meters.
The displacement is the diameter of the circle.
Then you can calculate the diameter using the circumference.

$C = 2\pi r$
$C  = \pi d$
$d = \dfrac{C}{\pi} $

$d = \dfrac{1000}{\pi} $

anonymous · Answer

wow.:) thanks po for your time :) 
can i ask again po?

mathstudent55 · Answer

I have to go now.
I'll be back later in the day.

mathstudent55 · Answer

You're welcome.

anonymous · Answer

okay , thank you po :) thank you so much :)