If the earth suddenly stops revolving and all its rotational $KE$ is used up in raising its temperature and if $'s'$ is taken to be the specific heat of the earth's material, the rise of temperature of the earth will be : ( $R -$ radius of the earth and $\omega =$ its angular velocity, $J =\,Joule$ constant)
If the earth suddenly stops revolving and all its rotational $KE$ is used up in raising its temperature and if $'s'$ is taken to be the specific heat of the earth's material, the rise of temperature of the earth will be : ( $R -$ radius of the earth and $\omega =$ its angular velocity, $J =\,Joule$ constant)
- A
$\frac{{{R^2}{\omega ^2}}}{{5Js}}$
- B
$\frac{{{R^2}{\omega ^2}}}{{5J}}$
- C
$\frac{{{R^2}\omega }}{{5Js}}$
- D
$\frac{{{R^2}{\omega ^2}}}{{5s}}$
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