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標題:
Applied Maths - Mechanics 47
發問:
A particle moves with constant speed v in the ellipse 9x^2 + 16y^2 = 144 . Find the greatest and least values of its acceleration.
最佳解答:
We can express x and y in parametric form as follows: 圖片參考:http://i388.photobucket.com/albums/oo325/loyitak1990/Aug09/Crazymech1-1.jpg 圖片參考:http://i388.photobucket.com/albums/oo325/loyitak1990/Aug09/Crazymech2-1.jpg 圖片參考:http://i388.photobucket.com/albums/oo325/loyitak1990/Aug09/Crazymech3-1.jpg
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