Intext Question XII — task. Science CBSE, Class 9.

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Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?

The formula to calculate the average speed,

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

The formula to calculate the average velocity,

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

The magnitude of average velocity and average speed will be the same when the total distance travelled is the displacement.

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