The flywheel of a steam engine has a radius of gyration 1 m and mass of 3000 kg. The starting torque of the engine is 3000 N - m. The kinetic energy of such a flywheel after 10 sec from rest position will be _______.
1
15 kN - m
2
1500 kN - m
3
1.5 kN - m
4
150 kN - m
5
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