Two Motors in a Factory Are Running at Slightly Different

question 6

Multiple Choice

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:

Aymara Indians

The Aymara Indians are an indigenous people who live in the Andes mountains region, mainly in present-day Bolivia, Peru, and Chile, known for their rich cultural heritage and traditional ways of life.

Gender

Refers to the social, cultural, and behavioral attributes, expectations, and norms associated with being male or female.

Teknonymy

A naming practice where a parent is referred to by the name of their child, commonly found in various cultures around the world.