gc textbook chapter 2 Kinematics in One Dimension (id: cc1d9e810)

本题目来源于试卷: gc textbook chapter 2 Kinematics in One Dimension，类别为 IB物理学

[填空题]
Calculate the average speed and average velociawezd8(ijj 1;ty of a compc3hlgr ( rm-+ 50dpfthj7 bk:alete round-trip in which the outgoing 250 km r+0tm gk5f-hhc (l:a7br3jpdis covered at 95 km/h followed by a 1.0-hour lunch break, and the return 250 km is covered at 55 km/h.    km/h

参考答案: 61±2%


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