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20. 如右圖所示，某抛射體從100 m高的懸崖頂以斜角30°發射，其初速度為80 m/s，試問抛射體所能到達距地面之最大高度為何？(假設重力加速度g=9.81 )(A) 121.33 m(B) 14
問題詳情
20. 如右圖所示，某抛射體從100 m高的懸崖頂以斜角30°發射，其初速度為80 m/s，試問抛射體所能到達距地面之最大高度為何？(假設重力加速度g=9.81
)
(A) 121.33 m
(B) 144.28 m
(C) 157.66 m
(D) 181.55 m
參考答案
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