Rotational kinetic energy is given by –
A. \(\frac { 1 }{ 2 }\)mr
B. \(\frac { 1 }{ 2 }\)Iv2
C. \(\frac{\mathrm{L}^{2}}{2 \mathrm{I}}\)
D. \(\frac{2 \mathrm{I}}{\mathrm{L}^{2}}\)
Answer:C
Rotational kinetic energy is given by –
A. \(\frac { 1 }{ 2 }\)mr B. \(\frac { 1 }{ 2 }\)Iv2 C. \(\frac{\mathrm{L}^{2}}{2 \mathrm{I}}\) D. \(\frac{2 \mathrm{I}}{\mathrm{L}^{2}}\)