Question

one thing that stringed, wind, and percussion instruments have in common in regard to the sounds they produce is that a. the instruments are struck by tools to produce vibrations and sounds. b. the frequency is always a direct result of adjusting the length of the instrument. c. all of the instruments can be easily adjusted to produce a tone with a certain definite pitch. d. the sound originates from a vibration.

Answer 1

The answer is:

d) the sound originates from a vibration.

The explanation:

The sound waves are generated by a sound source, such as the vibrating diaphragm of a stereo speaker. The sound source creates vibrations in the surrounding medium. As the source continues to vibrate the medium, the vibrations propagate away from the source at the speed of sound, thus forming the sound wave.

Answer 2

D. The sound originates from a vibration. With winds, it is the vibration of air, strings, the vibration of the string, and percussion, the vibration of various things depending on the instrument. Also, all sounds are produced by vibrations