When Is the Angular Momentum of a System Constant

question 119

Multiple Choice

When is the angular momentum of a system constant?

• A)Only when its total kinetic energy is constant.
• B)Only when the linear momentum and the energy are constant.
• C)Only when no net external torque is exerted on the system.
• D)Only when the moment of inertia is constant.

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Definitions:

Beta

A measure of a stock's volatility in relation to the overall market.

Risk-Adjusted Performance

A measure of how much risk is taken to achieve a certain level of return, comparing the performance of investments across different risk levels.

Mutual Funds

Investment vehicles that pool money from multiple investors to purchase a diversified portfolio of stocks, bonds, or other securities.

Treynor Measure

A performance metric for determining how much excess return was generated for each unit of risk taken by a portfolio.