physics

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I have no idea I need help!!!!

  • physics -

    Hmmm. Is there a question here?

  • physics -

    3[90o] + (-4) + F = 0
    3i + (-4) + F = 0
    F = 4 - 3i = 5N[-37o] = 5N[37o] S. of E.
    =5N[53o] E. of S.

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