The mass of the turbine rotor of a ship is 20 tonnes and has a radius of gyration of 0.60 m. Its speed is 2000 r.p.m. The ship pitches 6 above and 6 below the horizontal position. A complete oscillation takes 30 seconds and the motion is simple harmonic. Determine Maximum angular acceleration of the ship during pitching.

The mass of the turbine rotor of a ship is 20 tonnes and has a radius

1.	The mass of the turbine rotor of a ship is 20 tonnes and has a radius of gyration of 0.60 m. Its speed is 2000 r.p.m. The ship pitches 6 above and 6 below the horizontal position. A complete oscillation takes 30 seconds and the motion is simple harmonic. Determine Maximum angular acceleration of the ship during pitching.
A.	0.0016 rad/s<sup>2</sup>
B.	0.0026 rad/s<sup>2</sup>
C.	0.0036 rad/s<sup>2</sup>
D.	0.0046 rad/s<sup>2</sup>
Answer» E.

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