Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Trending News

Promoted
Katie P
Katie P asked in Science & MathematicsMathematics · 7 years ago

HELP with one pre-calculus vectors question!! HELP ASAP!!?

Suppose that the force acting on an object can be expressed by the vector <85,35,110>, where each measure in the ordered triple represents the force in pounds. What is the magnitude of this force? Round answer to the nearest whole integer if necessary.

Update:

i need my answer in this form: ≈___lb

2 Answers

Relevance
  • ?
    Lv 7
    7 years ago
    Favorite Answer

    The length or magnitude of a vector is found by use of the Pythagorean Theorem:

    V = <x,y,z>

    |V| = √(x²+y²+z²)

    |V| = √(85²+35²+110²) ≈ 143.4

  • Randy P
    Lv 7
    7 years ago

    Magnitude of <x, y, z> is sqrt(x^2 + y^2 + z^2)

Still have questions? Get your answers by asking now.