A round disc of moment of inertia $I$2 about its axis perpendicular to its plane and passing through its centre is placed over another disc of moment of inertia $I$1 rotating with an angular velocity $\omega $ about the same axis. The final angular velocity of the combination of discs is

Question

A round disc of moment of inertia $I$₂ about its axis perpendicular to its plane and passing through its centre is placed over another disc of moment of inertia $I$₁ rotating with an angular velocity $\omega $ about the same axis. The final angular velocity of the combination of discs is

${{{I_2}\omega } \over {{I_1} + {I_2}}}$

$\omega $

${{{I_1}\omega } \over {{I_1} + I{}_2}}$

${{\left( {{I_1} + {I_2}} \right)\omega } \over {{I_1}}}$

Solution

Please login to view the detailed solution steps...

Go to DASH