A Weight of Mass M Is at Rest at O

question 37

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:

Product Market

A market in which products are sold by firms and bought by households.

Equilibrium

A state in which market supply and demand balance each other, and, as a result, prices become stable.

Supply Curves

Graphical representations showing the relationship between the price of a good or service and the quantity of that good or service that a supplier is willing to offer for sale.

Price Floors

A government- or authority-imposed minimum price that sellers must charge for a good or service, essentially preventing prices from falling below this set level.