首先就是高度 其次是温度 最后就是气流了
因为(1)高度越高气体受到的地球引力就越小压强越小
(2)温度越高时气体分子受热膨胀则密度减小则此时大气压强减少
(3) 风速越快则压强越小
字数有限制就这么多
猜你喜欢
- 1下列各组混合物中,能用分液漏斗进行分离的是( ) A.碘和四氯化碳 B.水和蔗糖 C.水和苯 D.水和酒精
- 2本金为a, 年利率为r, 存半年后取出,以单利计算公式是怎样的,复利计算公式又是怎样的?
- 3两人骑一双人脚踏车,设壮汉单独用30N踏脚踏车(忽略车上所有摩擦力),车均速向前行驶为V1.如果再加上小孩10N一起踏脚踏车,车均速向前行驶为V2.(两人的重力忽略不计)请问V1=V2还是4/3V1=V2?(=为约等于)还是其他的比例?
- 4I usually spend an hour ______my homework
- 5where do you like to play (一般现在时)
- 6冥王星和水星哪个xiao
- 7the problem is that the businessman is never ( )aware of the risk he is taking
- 8I going to eat soon and going diving at 11.30pm I will text you when I'm back 翻译中文
- 9He is never late for class.So it is ____(usual) for him to be late today
- 10摄氏度和华氏度怎么转换?