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coolkat4

  • one year ago

Given that P = (5, 9) and Q = (13, 12), find the component form and magnitude of PQ. helppp please

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  1. RadEn
    • one year ago
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    first, PQ = vector q - vector p = (13,12) - (5,9) = (8,3) the magnitude of PQ = absolute(x^2+y^2) just put x=8 and y=3

  2. coolkat4
    • one year ago
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    can i ask anither question. Two forces with magnitudes of 150 and 75 pounds act on an object at angles of 30° and 150° respectively. Find the direction and magnitude of these forces. Round to two decimal places in all intermediate steps and in your final answer.

  3. coolkat4
    • one year ago
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    do i use the law of cosines?

  4. jaja22
    • one year ago
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    i think you can use the law of cosine

  5. coolkat4
    • one year ago
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    to find c\[^{2}\] and what angle would i use?

  6. coolkat4
    • one year ago
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    ?

  7. jaja22
    • one year ago
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    ahm wait i need to check it first

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