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11-08-2024
Physics

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Two athletes on a team, A and B, are practising to compete in a boat race. Athlete A has a mass of 70 kg, B has a mass of 75 kg, and the boat has a mass of 20 kg. Athlete A can exert an average force of 400 N and B an average force of 420 N on the boat using the paddles. During paddling, the magnitude of the water resistance on the boat is 380 N. Calculate the acceleration of the boat.

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