# A solid rectangular parallelepiped of mass m has a square base

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A solid rectangular parallelepiped of mass m has a square base of side a and a length 2a. Knowing that it rotates at the constant rate ω about its diagonal AC′ and that its rotation is observed from A as counterclockwise, determine

(a) The magnitude of the angular momentum HG of the parallelepiped about its mass center G,

(b) The angle that HG forms with the diagonal AC'.

(a) The magnitude of the angular momentum HG of the parallelepiped about its mass center G,

(b) The angle that HG forms with the diagonal AC'.

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