ВВС США купят броневики для ядерных «Минитменов»02:00
Some Extra TricksStill, that huge weight of 10,000 metric tons makes for a very high normal force—like roughly 100 million newtons. And remember, static friction is higher than kinetic friction. So even if you can keep a train moving, you might not be able to get it started.
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“Today Iran will be hit very hard!” Trump said in a social media post in the early hours of Saturday, as the US and Israel bombarded Tehran and other cities for an eighth day. The attacks will continue “until they surrender or, more likely, completely collapse!”
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