A boat can move at 30.0 km/h in still water. How long will it take to move 12 km downstream in a river flowing 6.0 km/h? (20 min) V A ship is moving at a speed of 56 km/h. One second later, it is moving at 58 km/h. What is its acceleration in m/s. (0.555 m s-2)
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