Rotational Kinetic Energy and Angular Velocity
The angular velocity of a rigid system is doubled while its moment of inertia remains constant. By what factor does the system’s rotational kinetic energy change?
A
The rotational kinetic energy increases by a factor of 8
B
The rotational kinetic energy increases by a factor of 4
C
The rotational kinetic energy remains unchanged
D
The rotational kinetic energy doubles
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