本题目来源于试卷: gc textbook chapter 2 Kinematics in One Dimension，类别为 IB物理学
[问答题]
You travel from poin ).bz re i-rkdwl sj8:kahzzvx3 a+9)9l(c f,:h u6ir(wvbp2r t A to point B in a car moving at a constant speed of Then you travel the sawrf ,v(u:cp2lh r6 i(bme distance from point B to another point C, moving at a constant speed of 90km/h . Is your average speed for the entire trip from A to C 80km/h ? Explain why or why not.
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