→ doom8199:string taut 我不知道是不是指小船和那個男孩中間有一條 03/13 15:25
→ doom8199:繩子，然後男孩就邊走邊拉那條繩子 = =ll 03/13 15:26
推 QQkimi:m(_ _)m 連英文都行...改天換用法文問他看看XD 03/13 16:26
→ zendla:看到很長的英文頭就暈了... 03/13 16:48
有人可以大致說明一下題意是什麼嗎?小弟英文不太好TT
A boy,standing in corner A of a rectangular pool, has a boat in the adjacent
corner B on the end of a 10 meter-long. He walks along the side of the pool
toward C keeping the string taut. Locate the boy and boat when the latter is
6 meters from AC. (Hint:Choose the coordinate system so that AC is along the
x-axis and AB is along the y-axis).Given that:ln3≒1.1 [成大機械]
答案:船的位置座標為(3,6)，男孩的位置座標為(11,0)
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