An Object of Mass M and Moment of Inertia I

question 64

Multiple Choice

An object of mass m and moment of inertia I has rotational kinetic energy K_R.Its angular momentum is:

• A)0.5 I/m.
• B)(2 IK_R)^1/2.
• C)(2 mK_R)^1/2.
• D)not given above.

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Definitions:

Constant-Cost Industry

An industry in which the cost per unit does not change as the industry's overall output changes.

Diseconomies of Scale

The condition in which a company or production process becomes less efficient as it grows larger, leading to increased costs per unit.

Long-Run Equilibrium

A state in which all factors of production and costs are variable, and firms make no economic profit or loss.

Long-Run Average Cost Curve

A graphical representation showing the minimum average cost of producing any given level of output when all inputs, including capital, are variable.