A body of moment of inertia 5 kgm2 rotating with an angular velocity 6 rad/s has the same kinetic energy as a mass of 20 kg moving with a velocity of ......

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KollegeApply · Accepted Answer

3 m/s Given that $\frac{1}{2}$Iomega^2=$\frac{1}{2}$mv^2 `therefore1/2*5kgm^2*6^2(rad)/s=$\frac{1}{2}$*20kg*v^2` $\therefore$v2=9 $\therefore$V=3 m/s

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