The Velocity of Bulk Sound Waves in Brass Is 2,813 $\times$

question 34

Multiple Choice

The velocity of bulk sound waves in brass is 2,813 m/s.If the density of brass is 8,470 kg/m³,then what is the bulk modulus of brass?

• A) 5.30 \(\times\) 10¹⁰ N/m²
• B) 5.80 \(\times\) 10¹⁰ N/m²
• C) 6.10 \(\times\) 10¹⁰ N/m²
• D) 6.70 \(\times\) 10¹⁰ N/m²
• E) 7.50 \(\times\) 10¹⁰ N/m²

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Definitions:

Self-Fulfilling Prophecy

A prediction that directly or indirectly causes itself to become true, due to positive feedback between belief and behavior.

McGregor

Refers to Douglas McGregor's Theory X and Theory Y, which describe two contrasting models of workforce motivation and management.

Theory X

Assumes people dislike work, lack ambition, are irresponsible and prefer to be led.

Bureaucracy

An organizational structure characterized by formal rules and regulations, a clear hierarchy, and detailed procedures and protocols.