Science
Junior High
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B
C
類10. 由地面上a點將石頭拋出,其軌跡如圖所示。當石頭到達C處時,石頭
運動的加速度方向是圖中的哪一方向(假設空氣阻力不計)?(A)甲(B)乙
(C)丙(D)了。<94-1>
高度
a
b.
0:善
承德表,不向本周六合受筑人造
水平距離
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