問題詳情
221 班物理小老師為了有效率地將作業繳至自然科辦公室，設計了一個彈弓，將作業打包後拋至景賢樓 1F 自然科辦公室。如右上圖所示，假設將作業以仰角 37 度斜拋出去，則初速度應為多少，落地點最接近自然科辦公室？
(A)10 m/s
(B)15 m/s
(C)20 m/s
(D)25 m/s
(E)40 m/s
(A)10 m/s
(B)15 m/s
(C)20 m/s
(D)25 m/s
(E)40 m/s
參考答案
答案：D
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)
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