A boat has a mass of 4710 kg its engines generate a drive, Ask an Expert

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A boat has a mass of 4710 kg. Its engines generate a drive force of 3610 N due west, while the wind exerts a force of 900 N due east and the water exerts a resistive force of 1960 N due east. Take west to be the positive direction. What is the boat's acceleration, with correct sign?

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