A Police Car Is Approaching You,traveling Eastward at a Speed

question 46

Multiple Choice

A police car is approaching you,traveling eastward at a speed of 31.0 m/s sounds his siren (frequency of 1050 Hz) .What is your velocity if you hear a frequency of 1090 Hz.The speed of sound is 344 m/s.

• A)19 m/s east
• B)19 m/s west
• C)45 m/s east
• D)45 m/s west
• E)You are at rest.

---

Definitions:

External Communication

The exchange of information and messages between an organization and external entities such as customers, partners, or the public.

Corporate Voice

The collective personality or character of a company as expressed through its communication, branding, and marketing efforts.

Third-person

A point of view in writing or storytelling where the narrator refers to all characters using third-person pronouns like he, she, or they.

Effective Headlines

Attention-grabbing titles or headers in written content that accurately reflect the material's subject and entice readers.