5. The period of T of a simple pendulum of length L is given by T = 2π(L/g)¹/². When it is taken to a mountain top it lose 1 min per day. What is the height of the mountain?
(A) 3 km,
(B) 3.55 km,
(C) 4 km,
(D) 4.55 km.
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統計: 尚無統計資料
統計: 尚無統計資料