Question

A circular disc of mass 50g and radius 2cm is rolling and advancing
forward with a velocity 5 cm/s. Find the linear and rotational kinetic
energies of the disc
​

Answer 1

Mass=50g,d=2cm,v=5cm/s

So, KE=21mv2(1+r2k2)=21×50×52(1+52)=875 erg