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Senior High
Physics
高一基礎物理~第4題 求詳解 感恩🙇🙇
Physics
Senior High
almost 4 yearsago
我會努力
高一基礎物理~第4題 求詳解 感恩🙇🙇
範例4 9 在地表附近,不計空氣阻力,將一球由地面以動能E斜向拋出,當小球達最大高度h時,其 動能為E。若小球質量為m,則當小球高度達1,其速度大小為何?(A) 球h 2 3E (C) (D) 2mE (E) 2m E 其E-m 2m 2E m L] 解答 h= mgha Eco = 1st = mgh gha sym sm 2 E = 'mu²=0 6= E 2m2 E = mgh = simght / mu > ghamu ve eh H 類題4 言 的速率為
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