Exercises I — task. Science CBSE, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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An athlete completes one round of a circular track of diameter \(200\ m\) in \(40\ s\). What will be the distance covered and the displacement at the end of \(2\ minutes\ 20\ s\)?

The formula to calculate the circumference of the circle is,

\(\pi \times R\)
\(\pi \times D\)
\(2 \times \pi \times D\)
\(\frac{\pi}{R}\)

Distance covered by the athlete \(=\) \(m\)

Displacement of the athlete \(=\) \(m\)

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1. Exercises I

Exercise condition: