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An object moves 18 m in the first 3 s, 22 m in the next 3 s and 14 m in the last 3 s. What is its average speed?

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by (98.9k points) in Chapter 1 Laws of Motion 692 views
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An object moves 18 m in the first 3 s, 22 m in the next 3 s and 14 m in the last 3 s. What is its average speed?
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Average speed =\(\frac{Total \ Distance}{Total \ time}\)

=\(\frac{18+22+14}{3+3+3}=\frac{54}{9}\)

=6m/s

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