Mechanical vibration is measured in three parameters: ** Acceleration (ms-2 where g) measured by accelerator) Photo source ** Displacement (µm) measured by (Displacement or proximity sensor) Photo source

A noise is a complex mixture of sounds producing an annoying or undesirable (unpleasant) auditory sensation. Noise has several harmful effects on humans: such as ** Deafness **The stress **Nervousness

Définition: Une onde mécanique appelé aussi onde matérielle: c'est une onde qui se propage d'un milieu matériel avec transport d'énergie mais sans transport de la matière exemple les ondes sismiques, le

Les ondes sinusoidales Définition L'onde sinusoïdale c'est une onde progressive décrite par un sinusoïde en fonction de temps. Exemples : *Les ondes électromagnétiques exemple les rayonsX ,les rayons gamma,

Hello "lovers of nature and passionate followers ❤️🎄🌷🌹🌺❤️ ❤️Positivity has many sources especially flowers😍❤️😍❤️ ❤️Flowers influence our emotions❤️❤️. ❤️ Bring joy to our souls❤️❤️ ❤️❤️❤️I dedicate

And it continues. Even if it finally gets a little milder today and even a bit sunny, we were kinda dumped with snow until recently. In addition to all the snow, we were now also treated to really frosty

Hello friends everything. #photographylovers #flowers #amazingnature #photography Hello all friends. I hope everyone is in good health always and always successful for all friends wherever you are. I am

Hello to all members of the Hive community. I shared this position with you to give a simple description of the waves that make up the school program I teach in high school. This concept seems abstract

L’acoustique est une branche de la physique dont l’objet est l’étude des sons et des ondes mécaniques. Elle fait appel aux phénomènes ondulatoires et à la mécanique vibratoire. Source de photo En tant

Aerial images taken with a drone over France