問題詳情
40.tNeglect the friction and weights of pulleys and cord in the figure. The body of mass m2 is falling down with acceleration a2 = g/2. What is the mass ratio m2/m1?
(A)1
(B)3/2
(C)2t
(D)5/2
(E)4
參考答案
答案：E
統計：A:0,B:0,C:0,D:0,E:1
難度：計算中
40.tNeglect the friction and weights of pulleys and cord in the figure. The body of mass m2 is falling down with acceleration a2 = g/2. What is the mass ratio m2/m1?
答案：E
統計：A:0,B:0,C:0,D:0,E:1
難度：計算中