Question: ( II ) A particle is located at r = ( 5 . 0 i ^ + 3 . 5 j ^ + 6 .

(II) A particle is located at r=(5.0i^+3.5j^+6.0k^)m. A force F=(8.0j^-4.0k^)N acts on it. What is the torque, calculated about the origin?
Calculate the angular velocity when the person reaches the edge.
Calculate the rotational kinetic energy of the system of platform plus person before and after the persons walk.

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