A) \[0.6kg/{{m}^{2}}\]
B) \[0.15kg\,{{m}^{2}}\]
C) \[0.8kg\,{{m}^{2}}\]
D) \[0.75kg\,{{m}^{2}}\]
Correct Answer: C
Solution :
[c] \[{{E}_{r}}=\frac{1}{2}I{{\omega }^{2}}\Rightarrow \] \[I=\frac{2{{E}_{r}}}{{{\omega }^{2}}}=\frac{2\times 360}{30\times 30}=0.8\,kg\,{{m}^{2}}\]
You need to login to perform this action.
You will be redirected in
3 sec
