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Physics

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A fire helicopter carries a 520-kg bucket of water at the end of a 20.0-m long cable. Flying back from a fire at a constant speed of 40.0 m/s, the cable makes an angle of 38.0° with respect to the vertical. Determine the force exerted by air resistance on the bucket.

  • Physics -

    Draw a free body diagram. Note that three forces act on the bucket: weight, air resistance and rope tension. Because the velocity is constant, the three forces must balance.

    A bit of trigonometry will tell you what the air resistance is.

    I do not want to deprive you of the learning experience of doing it yourself.

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