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万米高空,波音757飞机以850公里/小时的速度翱翔着,紧靠椅背的我,想到一件事:85公斤的我以如此的速度飞行,会消耗多大的能量,多少的能源,进而产生多少的二氧化碳排放?现实中的一个数据可以作为思考依据:当旅客行李超过规定重量后,每公斤物品将支付机票全价价格的百分之一点五。再具体点,由乌鲁木齐飞往上海的一公斤逾重物品,乘坐南航航班需要花费人民币约42
Miles high, Boeing 757 aircraft flying at 850 km / h, close to the back of my chair, one thing: 85 kg of my flight at such a speed, how much energy will be consumed, how much energy, and thus How much carbon dioxide emissions are produced? A realistic piece of data can be used as a guideline: 1.5% of the full price of a ticket will be paid for every kilogram when the passenger baggage exceeds the specified weight. More specifically, one kg of overweight items from Urumqi to Shanghai will cost about RMB 42