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 2.30 m, width 0.895 m, and mass 24.5 kg. Requried:
a. Determine its moment of inertia (in kg m^2) for rotation on its hinges.
b. Are any pieces of data unnecessary? (Select all that apply.)

1. The height of the sheet is unnecessary.
2. The mass of the sheet is unnecessary.
3. The width of the sheet is unnecessary.
4. No; all of the data are necessary.

Is a  vector quantity  that refers to "the rate at which an object changes its position." imagine a person moving rapidly - one step forward and one step back - always returning to the original starting position. while this might result in a frenzy of activity, it would result in a zero velocity. because the person always returns to the original position, the motion would never result in a change in position. since velocity is defined as the rate at which the position changes, this motion results in zero velocity. if a person in motion wishes to maximize their velocity, then that person must make every effort to maximize the amount that they are displaced from their original position. every step must go into moving that person further from where he or she started. for certain, the person should never change directions and begin to return to the starting position.

Milliseconds. . . . . .

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