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Clearnote
Q&A
Senior High
Physics
請問DE的意思和解法🙏🏻
Physics
Senior High
12 monthsago
妍
請問DE的意思和解法🙏🏻
A. Z④ (E)平均速率比:g=2:3 5 A L L₂ 16:9312 4. 如右圖置於水平面上之兩光滑斜面,高度相同,但斜面長度各 為ㄙ、L。兩質點同時由靜止開始從斜面頂4點分別沿兩斜面 滑落至B點與C點,其加速度各為a、a,所需時間各為 、右,末速各為1,2,則以下敘述何者正確?[多選](A)加 速度大小的比值a/a=L/L(B)所需時間比值1/12=1(C)末速大小的比值v/v= (E)加速度鉛直分量比值aq/ar L/L (D)末速的水平分量大小比值/v=L/L V=Jzalt=20 心 (4/4)² α= gsino V = √zat += 24 V = at 2 và Tỉ L Li Ant =
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