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physics

posted by on .

A boat moves through the water with two
forces acting on it. One is a 2.32×10^3 N
forward push by the motor, and the other is a1.79×10^3 N resistive force due to the water.What is the acceleration of the 1279.5 kg boat?

  • physics - ,

    2.32 - 1.79 = .53
    so
    F = ma
    .53 * 10^3 = 1279.5 a
    a = .414 m/s^2

    By the way this is not really true because water is accelerated along with the boat hull, making its mass appear larger. In hydrodynamics this is often called "added mass"

  • physics - ,

    thank you soo much damon

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