The note A above middle C on piano emits a sound wave with a wavelength of 0.77 meters. Be sure to show your work. What is the frequency of the wave? Use 340 m/s as the speed of the sound wave.
What is the period of the sound wave?

According to the phase diagram for water, how is the state of water determined? proceed up a vertical line at any given temperature read the phase at the intersection of any given temperature and pressure at a given pressure, proceed horizontally to the s-l or l-g line

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius

What is the single most important equation in all of physics?