⭕آوَنگ یا پاندول (به فرانسوی: Pendule) یک سامانهٔ ساده فیزیکی است. آونگ وزنه‌ای است که از یک نقطه ثابت آویزان است و تحت تأثیر نیروی گرانش به جلو و عقب نوسان می‌کند.
🔴 گالیله کشف کرد که آونگ یک حرکت تناوبی منظم انجام می‌دهد که می‌توان از آن برای اندازه‌گیری زمان استفاده کرد
⭕ این تصویر پویانمایی از یک آونگ می باشد که معادله حرکت و بردارهای شتاب را نشان می‌دهد
⭕آوَنگ یا پاندول (به فرانسوی: Pendule) یک سامانهٔ ساده فیزیکی است. آونگ وزنه‌ای است که از یک نقطه ثابت آویزان است و تحت تأثیر نیروی گرانش به جلو و عقب نوسان می‌کند.
🔴 گالیله کشف کرد که آونگ یک حرکت تناوبی منظم انجام می‌دهد که می‌توان از آن برای اندازه‌گیری زمان استفاده کرد
⭕ این تصویر پویانمایی از یک آونگ می باشد که معادله حرکت و بردارهای شتاب را نشان می‌دهد
Apparently upbeat developments in Russia's discussions with Ukraine helped at least temporarily send investors back into risk assets. Russian President Vladimir Putin said during a meeting with his Belarusian counterpart Alexander Lukashenko that there were "certain positive developments" occurring in the talks with Ukraine, according to a transcript of their meeting. Putin added that discussions were happening "almost on a daily basis." The news also helped traders look past another report showing decades-high inflation and shake off some of the volatility from recent sessions. The Bureau of Labor Statistics' February Consumer Price Index (CPI) this week showed another surge in prices even before Russia escalated its attacks in Ukraine. The headline CPI — soaring 7.9% over last year — underscored the sticky inflationary pressures reverberating across the U.S. economy, with everything from groceries to rents and airline fares getting more expensive for everyday consumers. "The argument from Telegram is, 'You should trust us because we tell you that we're trustworthy,'" Maréchal said. "It's really in the eye of the beholder whether that's something you want to buy into." On February 27th, Durov posted that Channels were becoming a source of unverified information and that the company lacks the ability to check on their veracity. He urged users to be mistrustful of the things shared on Channels, and initially threatened to block the feature in the countries involved for the length of the war, saying that he didn’t want Telegram to be used to aggravate conflict or incite ethnic hatred. He did, however, walk back this plan when it became clear that they had also become a vital communications tool for Ukrainian officials and citizens to help coordinate their resistance and evacuations. READ MORE
from hk
