MCQ
Rotational kinetic energy of a given body about an axis is proportional to
- A$Time\ period$
- B$(Time\ period)^2$
- C$(Time\ period)^{-1}$
- ✓$(time\ period)^{-2}$
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[Use: Specific heat capacity of water $=4200$
$J\,kg ^{-1} K ^{-1}$, Latent heat of ice $\left.=3.5 \times 10^{5} J\,kg ^{-1}\right]$
