Year 11 Methods (Unit 1 & 2) Rates Of Change

Constant Rate Of Change

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Questions

Question 1

28794

Find the constant speed of an object for a distance \(4000~\text{m}\) for \(20\) minutes (answer is m / min).

Answer

\(200~\text{m}\) / min

Worked Solution

\begin{align}
\text { Speed }=& \frac{\text { distance }}{\text { time }} \\
&=\frac{4000~\text{m}}{20 \mathrm{~min}} \\
&=200 \mathrm{~m} / \mathrm{min}
\end{align}

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