What is the final angular speed of the system

Reference no: EM13343131

A wheel of radius 2m (I=MR^2) has a rotational kinetic energy of 4800 J when rotating at 20 rev/s. A machinist, who would like to slow the rotation, adds another identical wheel on top of the original rotating wheel. What is the final angular speed of the system?

Reference no: EM13343131

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