問題詳情
(5)A hollow spherical shell of mass M and radius R starts from rest & rolls down without slipping a hill. Its center of mass drops a total distance h. What is the speed of the ball at the bottom of the hill?
(A)
(B)
(C)
(D)
(E)
參考答案
答案：D
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中