When a guitar string is plucked, it is displaced from a fixed point in the middle of the string and vibrates back and forth, producing a musical tone. The exact tone depends on the frequency, or number of cycles per second, that the string vibrates. To produce an A, the frequency is 440 cycles per second, or 440 hertz (Hz). Find the period of this function.

In a reference book find information about two of the following:

a. the range of assigned frequencies of the FM broadcasting channels in the United States

b. the frequency ranges for VHF (very high frequency) and UHF (ultra high frequency) television

c. the frequencies of ultraviolet light and infrared light

d. the frequency of the musical pitch called "middle C ".

5. Los (1.) de mi escuela organizaron un concurso de música. Su (2.) era obtener suficiente dinero para construir un nuevo teatro. Todos los padres de la escuela participaron. Vendieron refrescos y galletas. (3.) nuestra banda no llegó a los finales y nos (4.) de la competencia. Todos nos sentimos muy (5.).

In the sentence below, underline each intransitive verb once and underline each transitive verb twice. Example 1. I $\underline{\text{can}}$ hardly $\underline{\text{wait}}$ for opening night of our production of King Lear.

One day I would like to act in a big Broadway musical.

In each of the following sentences, underline the personal pronoun in parentheses that correctly completes the sentence. Then, on the line before the sentence, identify the pronoun's use by writing $D O$ for direct object, $I O$ for indirect object, or $O P$ for object of a preposition.
To (she, her), the best song in the musical was the big production number.

A synthesizer is a keyboard instrument that can be made to sound like a flute, a trumpet, a piano-or any other musical instrument. Pressing a key sets the fundamental frequency of the note that is produced. Other settings that the player can adjust change the sound quality of the synthesizer without altering the fundamental frequency. How is this change accomplished? What is being adjusted?

Choose the answer in which the underlined word is used in the same way as it is used in these sentences from "The Leap." "Though he'd been thinking of moving..., he settled down and broadened his $\underline{practice}$ in this valley." F. It is her $\underline{practice}$ to walk every morning. G. Dara looks forward to band $\underline{practice}$. H. Good musicians $\underline{practice}$ every day. J. His law $\underline{practice}$ covers two counties.

Example 1. long poems $\underline{\text{The Waste Land}}$, $\underline{\text{Beowulf}}$, $\underline{\text{Gilgamesh}}$, $\underline{\text{Paradise Lost}}$, $\underline{\text{Rubaiyat}}$

3. long musical works and recordings $\underline{\phantom{\text{The horse with the sllvery mane and white tall was chosen by the photographer.}}}$

A small musical toy produces a steady tone at $1000 \mathrm{~Hz}$. It is accidentally dropped from the window of a tall apartment building. How far has it fallen if the frequency heard from the window is $950 \mathrm{~Hz}$ ? (Ignore air friction, and use $340 \mathrm{~m} / \mathrm{s}$ for the speed of sound.)

Spruce is a type of wood that is widely used in making musical instruments (such as violins and guitars) because its Young's modulus is high and its density is low. If $Y=1.5 \times 10^{10} \mathrm{~Pa}$ and $\rho=420 \mathrm{~kg} / \mathrm{m}^3$, what is the speed of sound in spruce? How does that compare with the speed of sound in steel?

Completa las frases con las palabras adecuadas: aburrirse / aplauden / artística / canal / de vaqueros / director / estrella / extranjera / folklórica / musical / romántica / talentosa
Una obra en la cual los actores presentan la historia por medio de (by means of) canciones y bailes es un drama ...

¿Qué grupo musical te gusta? ¿Qué te gusta de sus canciones? ¿Qué tal te parece la voz del cantante principal? ¿Cómo son los instrumentos del grupo? ¿Qué es lo mejor de las canciones de este grupo? ¿Y los temas, cómo son?

Reagan's school is selling tickets to a spring musical. On the first day of ticket sales, the school sold 3 senior citizen tickets and 9 child tickets for a total of $75. The school took in$67 on the second day by selling 8 senior citizen tickets and 5 child tickets. What is the price of each ticket?

In the following sentence, underline the verb in parentheses that agrees in number with its subject. Example 1. Either Carmen or Miranda, both of whom have fine voices, ( $\underline{\text{is}}$, are ) a good choice for the leading role in the musical.

Both of the girls have sung in the choir for years, and each of them easily (sing, sings) the high notes.