gc textbook chapter 2 Kinematics in One Dimension (id: aa32b6174)

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]
A rolling ball moves fr8:z;8j1 wig-rauxx lv om h1r )-u(dij /z et8eem$x_1$ = 3.4 cm to $x_2$ = -4.2 cm during the time from $t_1$ = 3.0 s to $t_2$ = 6.1 s What is its average velocity?    cm/s

参考答案: -2.5±2%


本题详细解析:

微信扫一扫，分享更方便