accleration

2007-02-23 2:34 am
An object starts moving from rest with a uniform acceleration.Which of the following graphs concerning the motion of the object is/are correct?
(s=displcement,v=velocity)

Why this is NOT correct?
http://img184.imageshack.us/img184/5926/63773883gh5.jpg

回答 (1)

2007-02-23 2:48 am
✔ 最佳答案
若利用等加速直線運動公式
v2 = u2 + 2as
若初速為零,公式變為
v2 = 2as
它是二次曲線,所以不是直線圖


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