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The air exerts a forward force of 10 N on the propeller of a 0.20 kg model airplane. If the plane accelerates forward at 5.0 m/s2, what is the magnitude of the resistive force exerted by the air on the airplane in Newtons ?

  • physics - ,

    Fnet = Fprop - Friction = m*a

    Solve for the resistive force, which I have called Ffriction

    Fprop is the forward thrust of the propeller.

    You know what m and a are.

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