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Units and Measurements — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysicsUnits and Measurements1 Mark
Question
Express an acceleration of 10m/ s2 in km/ h2.
✓

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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