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anonymous

  • one year ago

A motorboat travels directly east. During its trip, winds blow from directly north, directly south, and southwest. Which of the following statements is true? A. All of the winds do work on the boat. B. Only the north wind does work on the boat. C. Only the south wind does work on the boat. D. Only the southwest wind does work on the boat.

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  1. Michele_Laino
    • one year ago
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    on our boat are acting these three forces:

  2. Michele_Laino
    • one year ago
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    |dw:1433095340811:dw|

  3. anonymous
    • one year ago
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    yes:)

  4. Michele_Laino
    • one year ago
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    if all those three forces have the same magnitude, than the resultant force, is due to the wind from South-West, since the forces from North and from South balance themselves each other

  5. anonymous
    • one year ago
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    okay so does that mean all the winds do work on the boat?

  6. Michele_Laino
    • one year ago
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    no, since we can neglect the winds from North and the one from South

  7. anonymous
    • one year ago
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    ohh so just the southwest winds? choice D?

  8. Michele_Laino
    • one year ago
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    yes! that's right!

  9. anonymous
    • one year ago
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    yay! thank you:)

  10. Michele_Laino
    • one year ago
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    :)

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