The loud noise in Wuhan has become a hot topic? Wuhan is the focus of attention in the epidemic situation, and recently some netizens reported that there was a loud noise in Wuhan. What happened? So what happened to the loud noise in Wuhan just now? Friends who are curious can take a look at the introduction provided by this site. What happened to the loud noise in Wuhan?According to many Wuhan netizens, a loud noise was heard in Guangbutun, Nanhu, Optics Valley, Jiangxia and other places. Some netizens thought it was thunder, while others said it was the sonic boom of an airplane. Did you hear it? Some netizens answered that it was the sonic boom of an airplane. Starting at 9 a.m. today, 11 transport planes landed one after another at Wuhan Tianhe Airport. Nearly 1,000 military support members of the Hubei medical team and a large amount of medical supplies arrived at the front line of the fight against the epidemic. What is a sonic boom?When an object's speed approaches the speed of sound, there will be a strong resistance, causing the object to vibrate strongly and its speed to decay. This phenomenon is commonly known as the sound barrier. When breaking through the sound barrier, the compression of the air by the object itself cannot be transmitted quickly, and gradually accumulates on the windward side of the object to form a shock wave surface. The acoustic energy is highly concentrated on the shock wave surface. When this energy reaches people's ears, people will feel a short and extremely strong explosion sound, which is called a sonic boom. User commentsThe military sent an additional 2,600 medical personnel to support Wuhan in its fight against the COVID-19 outbreak. The domestically-produced large transport aircraft Y-20 "Chubby Girl" participated in a non-war military operation for the first time. On the 13th, the Air Force dispatched 11 transport aircraft of three types to transport medical personnel from multiple locations to Wuhan, arriving at Wuhan Tianhe Airport. Related NewsToday, the Secretary for Education of Hong Kong, Kevin Yeung, announced that due to the ongoing impact of the novel coronavirus epidemic, the Education Bureau has decided to continue to postpone the resumption of school classes, and will resume classes no earlier than March 16. Previously, the Hong Kong Education Bureau had asked primary and secondary schools and kindergartens to postpone the resumption of classes until March 2. The Hong Kong Education Bureau also called on schools to provide students with learning materials through emails, school websites, etc., so that "classes are suspended but learning continues." |
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