Rotational Kinetic energy of a body is –
A. \(\frac { 1 }{ 2 }\)mr
B. \(\frac { 1 }{ 2 }\) Iω2
C. \(\frac { 1 }{ 2 }\)Iv2
D. \(\frac { 1 }{ 2 }\)mω2
Answer:B
Rotational Kinetic energy of a body is –
A. \(\frac { 1 }{ 2 }\)mr B. \(\frac { 1 }{ 2 }\) Iω2 C. \(\frac { 1 }{ 2 }\)Iv2 D. \(\frac { 1 }{ 2 }\)mω2