if they are in a void no matter how much the object vibrates it won't produce any sound waves
They produce sounds by their engines
Weak vibrations produce soft or quieter sounds.
Music instruments are categorized into families according to the method they produce sounds. String instruments produce sounds by plucking or bowing strings. Woodwind and brass instruments produce sounds by blowing air into it. Instruments in the percussion family produce sounds by striking them.
It produce sounds
vibration
Vocal cords produce low-pitched sounds when they vibrate slowly.
loud
No you cannot it is impossible to produce two different sounds from your mouth at the same time.
Not in the typical western sense. You wouldn't seek an A flat Didge, for example. There are larger ones with over-all deeper sounds, and smaller ones with higher sounds, and a skillful player can produce sounds with a thrilling range of sounds and effects.
Musical instruments are divided into families according to the way they produce sounds. String instruments produce sounds by plucking or bowing strings. Woodwind and brass instruments produce sound by blowing air into them. Sounds from percussion instruments are produced by striking on them.
It produced by the sounds.
Earthquakes can produce a variety of sounds before the main shock wave, such as rumbling, cracking, or grinding noises. These sounds can be caused by the movement of rocks along fault lines underground or the shifting of the earth's crust. It's important to note that not all earthquakes produce audible sounds before the main shock wave.