Intext example 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 object travels \(16\ m\) in \(4\ s\) and then another \(16\ m\) in \(2\ s\). What is the average speed of the object?

The formula to calculate the average speed,

\(=\ \frac{Total\ displacement}{Total\ time\ taken}\)
\(=\ {Total\ displacement} \times {Total\ time\ taken}\)
\(=\ {Total\ distance\ travelled} \times {Total\ time\ taken}\)
\(=\ \frac{Total\ distance\ travelled}{Total\ time\ taken}\)

Average speed of the object \(=\) \(m\ s^{-1}\)

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