When Tuning a Piano,a Technician Strikes a Tuning Fork for the a Above

question 33

Multiple Choice

When tuning a piano,a technician strikes a tuning fork for the A above middle C and sets up a wave motion that can be approximated by ​
Y = 0.001 sin 880πt,
​
Where t is the time (in seconds) .
​
What is the period of the function?
​

• A) \(\frac { 1 } { 880 }\) sec
• B)440 sec
• C) \(\frac { 1 } { 440 }\) sec
• D)880 sec
• E)88 sec

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Definitions:

Owner's Equity

The residual interest in the assets of a company after deducting liabilities, representing the ownership interest.

Assets

Economic resources owned or controlled by a business, expected to provide future benefits.

Supplies

Items or materials used in the operation of a business, often consumable in nature.

Owner's Equity

The residual interest in the assets of the entity after deducting liabilities, essentially the net assets owned by the proprietors.