An Object of Mass M Is Attached to String of Length

question 19

Multiple Choice

An object of mass m is attached to string of length L. When it is released from point A, the object oscillates between points A and B. Which statement about the system consisting of the pendulum and the Earth is correct?

• A) The gravitational potential energy of the system is greatest at A and B.
• B) The kinetic energy of mass m is greatest at point O.
• C) The greatest rate of change of momentum occurs at A and B.
• D) All of the above are correct.
• E) Only (a) and (b) above are correct.

---

Definitions:

Elasticity

A measure in economics that denotes the responsiveness of the quantity demanded or supplied of a good or service to a change in its price.

Product Uses

The various applications or purposes for which a product is intended or can be utilized by consumers.

Unit Elasticity

A situation in economics where a change in the price of a good or service results in a proportionally equal change in the quantity demanded or supplied.

Price Elasticity of Demand

A measure of the sensitivity of quantity demanded of a good to a change in its price.