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PROBLEM:
Show that 1.0 m/s=3.6 km/h.
Hint: Show the explicit steps involved in converting 1.0 m/s=3.6 km/h.
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SOLUTION:
We know that 1 hr = 3600 s, and 1 km = 1000 m.
\begin{aligned}
1.0 \ \text{m/s} & = 1.0 \ \frac{\bcancel{\text{m}}}{ \bcancel{\text{s}}} \times \frac{3600 \ \bcancel{\text{s}}}{1 \ \text{hr}}\times \frac{1 \ \text{km}}{1000 \ \bcancel{\text{m}}} \\
\\
& =3.6 \ \text{km/hr} \ \qquad \ \color{DarkOrange} \left( \text{Answer} \right)
\end{aligned}
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