3.0 ms^ -2 = __________ km h ^ -2 - Vidyadip

Question

$3.0 ms^{-2}=$ __________ $km h ^{-2}$

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Answer

$3.0 ms^{-2}=\frac{3}{1000} kms ^{-2}$
$=\frac{3}{1000} km \times\left[\frac{1}{60 \times 60} h\right]^{-2} $
$=\frac{3}{1000} \times 60 \times 60 \times 60 \times 60$ $km h ^{-2} $
$=3 \times 36 \times 360$ $km / h ^2 $
$=38880$ $km h ^{-2} $
$\approx 3.9 \times 10^4$ $km / h ^2$

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