मात्रक एवं मापन — भौतिक विज्ञान कक्षा 11 साइन्स — Question
Gujarat Boardहिन्दी माध्यमकक्षा 11 साइन्सभौतिक विज्ञानमात्रक एवं मापन1 Mark
Question
$3.0 m s ^{-2}=\ldots km h ^{-2}$
✓
Answer
3. $3 m ^{-2}=3 m \times 1 s ^{-2}$$\begin{gathered}=\frac{\left(\frac{3}{100}\right) km }{\left(\frac{1}{60 \times 60} h \right)^2} \\=3.9 \times 10^4 km h ^{-2}\end{gathered}$
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