問題詳情
6. 某物作自由落體運動,若不考慮空氣阻力,則第3秒內的位移與3秒內的位移量值之比為何?
(A) 1:
(B) 1:
(C) 3:
(D) 3:
(E) 5:9。
(A) 1:
(B) 1:
(C) 3:
(D) 3:
(E) 5:9。
參考答案
答案:E
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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