問題詳情

2. If a simple pendulum oscillates with small amplitude and its length is doubled, what happens to the frequency of its motion?
(A) It doubles.
(B) It becomes

times as large.
(C) It becomes half as large.
(D) It becomes 1/

 times as large.
(E) It remains the same.

參考答案

答案:D

統計:A:0,B:1,C:0,D:0,E:0

難度:計算中