phy-motion
2011-07-30 11:08 pm
A bicyle finishes a 100-metre journey in9.77s. Assume that the bicycle starts from rest and moves with a uniformacceleration. What is the acceleration of the bicycle throughout the journey?
回答 (1)
2011-07-30 11:35 pm
✔ 最佳答案
Applying the formula: s = ut + at2/2 with u = 0 and t = 9.77 and s = 100:100 = a x (9.772/2)
a = 2.10 m/s2
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