Intext example I — task. Science CBSE, Class 9.

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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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