問題詳情
1. 老鷹在空中叼著一顆小石子飛行，在過程中老鷹將嘴巴的石子放掉，假設石子在下落過程中做等加速運動，關於其力學能變化的情形，下列何者正確?
(A)重力位能漸增，動能漸減
(B)重力位能漸減，動能漸增
(C)動能位能皆減少
(D)重力位能漸減，動能不變
(A)重力位能漸增，動能漸減
(B)重力位能漸減，動能漸增
(C)動能位能皆減少
(D)重力位能漸減，動能不變
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增
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