Prove that Kinetic Energy of rotation E= 1/2 IW2 WHERE SYMBOLS HAVE THEIR USUAL MEANING - Physics - System Of Particles And Rotational Motion

Question

Prove that Kinetic Energy of rotation E= 1/2 IW2
WHERE SYMBOLS HAVE THEIR USUAL MEANING

Harshit Mishra · Answer

K E= 1/2mv2 and v=rW so we have
K E = 1/2 * m * r2 W2
=1/2 IW2 where I=mr​2 (by
definition)