【简答题】从麦克斯韦速率分布函数出发,求出分子按动能的分布函数,解释这个函数的物理内容,并求出分子动能的平均值.
【简答题】A.At 6 a.m. in the classroom. B.At 6 a.m. in the school's dormitory. C.At 6 p.m. in the classroom. D.At 6 p.m. in the school's dormitory.
【简答题】听对话,回答问题。 1. Where does the woman want to go? A. The bus station. B. The supermarket. C. The post office. 2. Which bus can take the woman there? A. The No.7 bus. B. The No.1 bus. C. The No.6 bus.
【简答题】证明:相对于v p 的麦克斯韦速率分布函数(2.35)式 .