A sheet of aluminum with a rectangular shape is attached to a vertical support by a set of hinges. Assume the sheet is uniform and has height 2.00 m, width 0.840 m, and mass 25.0 kg. (a) Determine its moment of inertia (in kg⋅m2 ) for rotation on its hinges. kg⋅m2 (b) Are any pieces of data unnecessary? (Select all that apply. ) The mass of the sheet is unnecessary. The width of the sheet is unnecessary. The height of the sheet is unnecessary. No; all of the data are necessary.
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