2. Fill in the blanks below with the following words to make correct statements about the material you read in this section: intensity, high-amplitude, decibel, subsonic, frequency. As the of a sound wave increases, the pitch increases. In a sound wave, the compressions are dense. The is the unit for measuring how intense a sound is. As the of a sound wave increases, the loudness increases.​

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.

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

There are 3 ways heat can be transferred: through solids, called , through liquids and gases , called , and through electromagnetic waves, called