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範例:固定力的衝量之應用

不計空氣阻力,將質量m的物體自水平地面以仰角θ,初速v斜向拋出,求(1)拋出經t秒,重力施衝量若干?物體的速度變化若干? (2)自拋出至達最高點,重力施衝量若干? 而自拋出至落地,重力施衝量若干?


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