A song is playing on a radio. Which of the following best
describes the transformation of energy?
1: Electrical energy is changed to sound energy
2: Electrical energy is changed to light energy
3: Sound is changed into electrical energy
4: Sound is changed into light energy

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.

4. now look at the green lines you created by connecting the three boiling point data points and the three melting point data points. for each of these lines, describe any trends you see. 5. locate the elements on your periodic table that you circled in green on your graph. what term or description would you use to identify these elements with respect to the periodic table? 7. using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers.

Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?