Sound waves with frequencies higher than 20,000 hz are referred to as subsonic waves.
user: the pitch of a sound is most closely related to the
a. frequency of vibrations.
b. distance from the sound source.
c. medium through which the sound travels.
d. intensity of the sound.

The total amount of energy contained in an object

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.

What describes the particles in a liquid