Hello again my duds how have you all bin doing? Well today we will talk about another topic, this one is about sound "What is a sonic boom?". A sonic boom is when a object is moving through air faster than the speed of sound. Sound travels at different speeds with different materials. It also varies by temperature and altitude. At sea level and 68 degrees sound travels at 761 miles per hour. At an altitude of 20,000 feet were the atmosphere is thinner and cooler it travels at 660 miles per hour. Well this is all for today, see you guys next week.
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