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5. 某生設計了一個不需使用計時器而可量測重力加速度的實驗。他選用了一個彈力常數為k、自然長度為l、繫有質量為m之質點的彈簧,使其作水平面之簡諧運動。再以一個擺長為L、擺錘不計體積、質量為M的單擺,調
問題詳情
5. 某生設計了一個不需使用計時器而可量測重力加速度的實驗。他選用了一個彈力常數為k、自然長度為l、繫有質量為m之質點的彈簧,使其作水平面之簡諧運動。再以一個擺長為L、擺錘不計體積、質量為M的單擺,調整其擺長L,使兩個系統之簡諧運動的週期相同,則其所測得的重力加速度量值為何?
(A)lM k/
(B)Lm k/
(C)LM k/
(D)lk M/
(E)Lk m/
參考答案
答案:E
難度:
計算中
-1
書單:
沒有書單,新增
上一篇 :
4. 空間中有相距2d的兩靜止點電荷,已知將此兩點電荷緩慢移近至相距d靜止,需作功W。若再將兩點電荷緩慢移近至相距d /5靜止,則需再作多少功?(A)10W(B)8W(C)5W(D)4W(E)W
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【題組】72.Who is the most likely person to give this speech? (A) A satisfied customer of RIO Catering.
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