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Lv 7
? asked in Science & MathematicsPhysics · 9 years ago

angular momentum .... 10pts?

A 1.3kg particle moves in the xy plane with velocity of v=(4i-3j)m/s. Determine the angular momemtum of the particle about the origin when its position vector r=(3i+2j)

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  • 9 years ago
    Favorite Answer

    in vector form, angular momentum is m v cross r where cross is the vector cross product

    the cross product of these two vectors is 17k, so the angular momentum is 1.3 x 17k kgm^2/s

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