The Density of a Certain Solid Is 7

question 4

Multiple Choice

The density of a certain solid is 7.2 *10³ kg/m³, and its Young's modulus is 8.0 * 10¹⁰ N/m². What is the speed of sound in this material?

• A) 1.1 * 10⁷ m/s
• B) 5900 m/s
• C) 3700 m/s
• D) 3300 m/s

---

Definitions:

Liability

A legal responsibility or obligation, often involving financial restitution in case of loss or damage.

Undisclosed Principal

A principal whose identity is not revealed by the agent to the third party at the time of entering into a contract with the third party.

Third Party

An individual or entity not directly involved in a contract or transaction but may be affected by its outcome.

Agent

An Agent is a person or entity authorized to act on behalf of another, known as the principal, in dealings with third parties.