Beats: Two Motors in a Factory Are Running at Slightly

question 93

Multiple Choice

Beats: Two motors in a factory are running at slightly different rates. One runs at 825 rpm and the other at 786 rpm. You hear the sound intensity increase and then decrease periodically due to wave interference. How much time elapses between successive maxima of the sound intensity?

• A) 1.5 s
• B) 1.4 s
• C) 1.7 s
• D) 1.8 s

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Definitions:

Ambiguous Genitalia

A condition where an infant's external genitalia do not appear clearly male or female, often leading to challenges in gender assignment.

Gender Identity

Describes an individual's personal sense of their own gender, which may or may not correspond with the sex they were assigned at birth.

Congenial

Having a pleasant disposition and being friendly, agreeable, or likable in nature.

Attractive Appearance

pertains to qualities or characteristics of a person or object that are aesthetically pleasing and make them appealing to others.