gc textbook chapter 2 Kinematics in One Dimension (id: a75713aa4)

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]
The position of a ran m4d))8jhgr.n q-xyy4c n)gxb6v5h8 3yna v:cai /krubit along a straight tunnel as a function of time is plotted inicyhv :n uv5a/a683kr Fig. 2–28. What is its instantaneous velocity
(a) at t = 10.0 s    m/
(b) at t = 30.0 s What is its average velocity    m/s
(c) between t = 0 and t = 5.0 s    m/s
(d) between t = 25.0 s and t = 30.0 s    m/s
(e) between t = 40.0 s and t = 50.0 s ?    m/s

参考答案:
空格1: 0.3±2%  空格2: 1.4±2%  空格3: 0.3±2%  空格4: 1.4±2%  空格5: -0.95±2% 


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