問題詳情

58.tTVvo samples of the same idea) gas have die same volume and density. Sample B has twice the presure of sample A. Wlmtis the root-mean-square speed of flie molecules in sample B?
(A) same as that in sample At
(B) twice tiiat m sample A
(C) half that in sample A
(D)

times tfiatin sample A
(E) insuflicient information to determine

參考答案

答案：D

統計：A:0,B:0,C:0,D:1,E:0

難度：計算中