3. A mass M is attached to an ideal spring. When this system is set in motion with amplitude A, it has a period of T. What is the period if the amplitude of the motion is doubled?
(A) 0.5T
(B) 0.71T
(C) T
(D) 1.41T
(E) 2T
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統計: 尚無統計資料
統計: 尚無統計資料