問題詳情
(2)A block of mass m is launched up an inclined plane of angle θ = 30° and length L by an ideal spring with constant k as shown in the right figure. The coefficient of kinetic friction for the inclined plane is μ = 1.0. What is the minimum compression length of the spring for the mass m to reach L?
(A)
(B)
(C)
(D)
(E)
參考答案
答案：E
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中