問題詳情

32. A uniform cord has the mass per unit length λ and it is arranged as that shown in the figure. Herethe tension is maintained by suspending an object of mass M from one end. What is the speed ofa pulse on the cord if the tension force is not affected by the mass of the cord? (Gravitationalacceleration is g)


(A)


(B)


(C)


(D)


(E)

參考答案

答案：B
難度：計算中-1
書單：沒有書單，新增