問題詳情
49. In the figure, a gas enclosed within a sealed chamber follows a closed path as illustrated. What is the total amount of work performed by the gas?
(A) +40 J
(B) +20 J
(C) 0 J
(D) -20 J
(E) -40 J
參考答案
答案：D
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中
49. In the figure, a gas enclosed within a sealed chamber follows a closed path as illustrated. What is the total amount of work performed by the gas?
答案：D
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中