A Locomotive Moving at a Constant Speed Approaches and Then

question 19

Multiple Choice

A locomotive moving at a constant speed approaches and then passes a man standing at a crossing.The frequency of the locomotive's horn as the man hears it

• A)gradually increases and then decreases.
• B)gradually decreases and then increases.
• C)abruptly changes as the locomotive passes.
• D)does not change at all.
• E)produces beats due to the Doppler effect.

---

Definitions:

Technical Aspects

Pertains to the specific details, skills, or methods related to a particular field of study or area of expertise.

Flextime

Flexible working hours that permit employees the option of choosing daily starting and quitting times provided that they work a set number of hours per day or week.

Specified Number

A particular or distinct quantity that has been defined or mentioned, often within a context requiring precise identification.

Job Sharing

The arrangement whereby two part-time employees perform a job that otherwise would be held by one full-time employee.