gc textbook chapter 2 Kinematics in One Dimension (id: 9650eea23)

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 ballplayer catches aa+td f/x+)ti9c9y b. i ds1jnwx m 20+t+nppr8tr1qjb ball 3.0 s after throwing it vertically upward. With what speed did he throw it, and what he jrtbp+m+ntr10pxq28ight did it reach?    m/s (Round to the nearest integer)    m

参考答案:
空格1: 15±2%  空格2: 11±2% 


本题详细解析:

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