問題詳情
探險家歐文在探索侏儸紀世界時被暴龍發現,他慌張的以 10m/s 等速度朝柵欄奔馳,暴龍發現歐文後從靜止開始加速追趕,此時歐文與暴龍距離相差 100m 如下圖所示。已知暴龍與柵欄距離 300m 且以等加速度前進,若暴龍要在恰好柵欄之前追上歐文,則暴龍加速度至少應該為何?
(A) 3
(B) 2.5
(C) 2
(D) 1.5 m/s2
參考答案
無參考答案
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