Question
$1$ $kg m ^2 s^{-2}=$ __________ $g cm ^2 s^{-2}$

Answer

$1$ $kg m ^2 s^{-2}$
$ \Rightarrow 1000 \times 100 \times 100$ $g cm ^2 s^{-2} $
$\Rightarrow 10^7 g cm ^2 s^{-2} \because 1 kg =1000 g $
$1 m =100 cm . $
$1 m^2 =100 \times 100 cm^2$

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