A Siren of Frequency 3

question 45

Multiple Choice

A siren of frequency 3.20 kHz moves away from a stationary observer with a speed of 30.5 m/s.If the speed of sound is 335 m/s,the frequency heard by the observer is

• A)2.66 kHz
• B)2.93 kHz
• C)3.49 kHz
• D)3.52 kHz
• E)3.84 kHz

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Definitions:

Post Hoc, Ergo Propter Hoc

A logical fallacy that implies that if one event follows another, then the first event must have caused the second.

Fallacy Of Composition

The misconception that what is true for an individual or part will also be true for the whole or the group.

Co-Dependence

A relationship in which parties rely on each other to a detrimental extent, often undermining their independence and well-being.

Ockham's Razor

A principle suggesting that the simplest explanation is usually the correct one, often applied in various fields to eliminate unnecessary assumptions.