Two Motors in a Factory Are Running at Slightly Different

question 40

Multiple Choice

Two motors in a factory are running at slightly different rates.One runs at 825.0 rpm and the other at
You hear the sound intensity increase and then decrease periodically due to wave interference.How long does it take between successive instances of the sound intensity increasing?

• A)1.54 s
• B)1.43 s
• C)1.66 s
• D)1.79 s

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Definitions:

Obese

A medical condition characterized by excess body fat accumulated to the extent that it may have a negative effect on health, leading to reduced life expectancy and/or increased health problems.

Physically Active

Engaging in physical exercise or activities that require bodily movement and is beneficial to health and well-being.

Walking Paths

Designated or commonly used routes for walking, often found in natural settings, urban areas, or parks, enhancing recreational and transportation options.

Metabolism

The set of life-sustaining chemical reactions in organisms to convert food to energy, maintain cellular structure, and eliminate waste products.