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A ship moves with a speed of 8 m-s-1. The hydrodynamic resistance acting on it is 5000 N. The power of its engine is:

A ship moves with a speed of 8 m-s-1. The hydrodynamic resistance acting on it is 5000 N. The power of its engine is: (A) 20 kW (B) 80 kW 12 kW (D) 40 kW E320 kW

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