A Factory Siren Indicating the End of a Shift Has

question 24

Short Answer

A factory siren indicating the end of a shift has a frequency of 90.0 Hz. The speed of sound is 343 m/s.
(a) What frequency is perceived by the occupant of a car traveling towards the factory at 25.0 m/s?
(b) What frequency is perceived by the occupant of a car traveling away from the factory at 30.0 m/s?

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Definitions:

Glass-Steagall Act

An act of Congress in 1933 that separated investment banking from retail banking to reduce financial speculative bubbles and prevent bank failures.

Commercial Banking

Banking services provided to businesses and individuals, including deposit taking, lending, and various other financial transactions.

Investment Banking

A sector of the banking industry that deals with the creation of capital for other companies, governments, and other entities.

Investment Bankers

Professionals who work in financial institutions, facilitating mergers, acquisitions, and the issuance of securities.