A Train Station Bell Gives Off a Fundamental Tone of 1000

question 8

Multiple Choice

A train station bell gives off a fundamental tone of 1000 Hz as the train approaches the station at a speed of 20.0 m/s.If the speed of sound in air is 335 m/s,what will be the apparent frequency of the bell to an observer riding the train?

• A) 1060 Hz
• B) 1070 Hz
• C) 943 Hz
• D) 940 Hz

---

Definitions:

Direct Approach

A method of communication that involves straightforwardly presenting a message or request without circumvention.

Financial Analyst

A professional responsible for assessing financial data and trends to provide insights and recommendations for businesses or investments.

Job Applicant

A job applicant is an individual who expresses interest in and applies for a vacant position within a company or organization.

Customer Care Center

A department within a company that handles inquiries, supports customers with their needs, and resolves any problems or complaints.