物理~自由落體~拋體運動~ - 運動
By Christine
at 2013-12-01T00:00
at 2013-12-01T00:00
Table of Contents
自由落體1.一位學生看著第四樓宿舍的窗戶~發現一個花盆以0.093秒的時間通過2.0m高的窗戶~宿舍每樓的高度是4.0m~那個花盆是從第幾樓的窗戶掉下的?2.你丟一個石頭到深井中~在3.20s後~你聽到他撞到底端聲音~這個時間是石頭掉到井裡的時間加上石頭撞到井底的聲音回傳上來到達你的耳朵的時間~聲音在空氣�
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運動
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By Eden
at 2013-12-02T06:34
at 2013-12-02T06:34
By Una
at 2013-12-02T06:55
at 2013-12-02T06:55
By Jack
at 2013-12-03T09:23
at 2013-12-03T09:23
By Iris
at 2013-12-05T16:37
at 2013-12-05T16:37
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