Why can we not hear sound when air molecules are vibrating in a vacuum?
With no molecules in the vacuum of space there is no medium for the sound waves to travel through. So there is no sound.
Can vibrations occur in vacuum?
Sound cannot travel through a vacuum as there are no particles present for vibrations to take place.
Is sound vibrations in the air?
Sound is all about vibrations. The source of a sound vibrates, bumping into nearby air molecules which in turn bump into their neighbours, and so forth. This results in a wave of vibrations travelling through the air to the eardrum, which in turn also vibrates.
What happens to sound energy in a vacuum?
As it moves, it hits air molecules. When it hits air molecules, those air molecules move. That creates sound waves. Striking the air molecules causes the guitar string to slow down; it vibrates less and less and eventually stops.
Why is there no sound heard in vacuum?
Sound does not travel at all in space. The vacuum of outer space has essentially zero air. Because sound is just vibrating air, space has no air to vibrate and therefore no sound. If you are sitting in a space ship and another space ship explodes, you would hear nothing.
When natural vibrations take place in a vacuum the amplitude of the vibrations?
The natural vibrations of a body actually occur only in vacuum because the presence of medium around the body offers some resistance due to which the amplitude of vibration does not remain constant, but it continuously decreases.
Does sound travel in vacuum?
Sound does not travel at all in space. The vacuum of outer space has essentially zero air. Because sound is just vibrating air, space has no air to vibrate and therefore no sound.
Is kinetic energy lost in vacuum?
YES, a vacuum does not stop kinetic energy transferal.
Is there kinetic energy in a vacuum?
When an object falls through vacuum, gravitational potential energy is converted to kinetic energy.