The Lowest a on a Piano Has a Frequency of 27.5

question 13

Multiple Choice

The lowest A on a piano has a frequency of 27.5 Hz. If the tension in the 2.00-m string is 308 N, and one-half wavelength occupies the string, what is the mass of the wire?

• A) 0.025 kg
• B) 0.049 kg
• C) 0.051 kg
• D) 0.081 kg
• E) 0.037 kg

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Definitions:

Compounded Annually

This refers to the process where interest is added to the principal sum, so that from that moment on, the interest that has been added also earns interest, being calculated and added to the account annually.

Simple Interest

Interest calculated on the principal amount of a loan or deposit, without compounding over time.

Savings Account

A deposit account held at a bank that provides interest on the funds deposited.

Lump Sum

An individual disbursement occurring at a certain point, in contrast to periodic payments carried out sequentially.