An airboat with a mass of 3.50 x 10^2 kg, including passengers, has an engine th

Question

An airboat with a mass of 3.50 x 10^2 kg, including passengers, has an engine that produces a horizontal force of 7.70 x 10^2N, after accounting for forces of resistance. The propeller exerts a force on the air, pushing it backwards behind the boat. At the time, the air exerts a force on the propeller and on the airboat. Choose the remaining forces acting on the airboat and its passenger. a. the mass of the boat & passenger times their acceleration, b. the velocity of the boat & passenger, c. the upward force of the water on the boat, d. the weight of the boat & passenger on the water, e. the downward force of water on the boat

Explanation / Answer

a. the mass of the boat & passenger times their acceleration since acceleration = net force / mass

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