A Weight of Mass M Is at Rest at O

question 38

Multiple Choice

A weight of mass m is at rest at O when suspended from a spring, as shown. When it is pulled down and released, it oscillates between positions A and B. Which statement about the system consisting of the spring and the mass is correct?

• A)The gravitational potential energy of the system is greatest at A.
• B)The elastic potential energy of the system is greatest at O.
• C)The rate of change of momentum has its greatest magnitude at A and B.
• D)The rate of change of gravitational potential energy is smallest at O.
• E)The rate of change of gravitational potential energy has its greatest magnitude at A and B.

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Definitions:

Average Fixed Cost

The fixed costs (costs that do not vary with output) divided by the quantity of output produced.

Marginal Cost

The expense addition due to the manufacture of one more product or service unit.

Average Variable Cost

The total variable costs (e.g., materials, labor) divided by the quantity of output produced, representing the variable cost per unit.

Marginal Cost

The hike in cost associated with the creation of an extra unit of a good or service.