Question
Express an acceleration of $10m/ s^2$ in $km/ h^2$.
✓
Answer
Acceleration$=\frac{10\text{m}}{(1\text{s)}^2}=\frac{10\times10^{-3}}{\Big[\frac{1}{60\times60}\text{h}\Big]^2}$ $=(3600)^2\times10^{-2}\text{km}/\text{ h}^2$ $=1.29\times10^5\text{km}/\text{ h}^2$
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